If your lawn is starting to look patchy and tired no matter how much you water it, it may be time to consider converting to an underground sprinkler system. Making the switch can seem daunting, but the long-term benefits for your lawn’s health and appearance make it worth exploring.
Why You Should Convert To Underground Lawn Sprinklers
Above-ground sprinklers are notorious for inefficient watering. Factors like wind and evaporation prevent every drop from reaching your grass roots. Underground systems deliver water directly to the soil for maximum absorption. Your grass will get greener with less wasted water.
Underground sprinkler heads also have superior coverage compared to above-ground models. Strategically placed heads ensure even water distribution across your entire lawn. No more dead patches or oddly shaped dry spots.
Consistent moisture encourages healthier grass and fewer weeds. Underground systems provide a timed, measured water supply. They can be customized to match your lawn’s needs based on soil type, grass variety, sun exposure and more.
Underground sprinklers are also less prone to damage. Lawn mowers and kids playing won’t bump the heads out of alignment. And there’s no winterizing necessary – the system won’t freeze or need blowing out.
How Much Does Underground Sprinkler Installation Cost?
The cost to install an underground sprinkler system runs $1,500 to $3,000 on average for a standard quarter to half-acre suburban lawn. Pricing depends on factors like:
- System type – drip irrigation is cheapest, rotors most expensive
- Yard size and shape
- Number of heads needed
- Speciality heads for slopes and tight spots
- Automatic controller programming
- Excavation needs – rocky or clay soil costs more to dig
- Landscaping repair post-install
Get multiple bids to find the best value. Many companies offer package deals on system equipment and installation.
Finding The Right Underground Sprinkler Company
Choose an experienced irrigation contractor for your underground sprinkler installation. Look for:
- 5+ years in business
- Specialization in irrigation rather than general landscaping
- Membership in industry associations
- Manufacturer certifications
- Liability insurance and licensing
- Warranties on parts and labor
Ask for customer referrals and check ratings on Google, Yelp and Angie’s List. Meet with several companies and get written estimates detailing exactly what’s included.
Make sure the system designer does an on-site evaluation of your yard first. Your lawn’s specific needs should dictate the sprinkler layout and equipment used.
What Are The Benefits Of Underground Sprinklers?
Here are the top advantages of installing underground sprinklers:
- Better water efficiency – Less overspray and evaporation compared to above-ground systems.
- Healthier grass – Even watering encourages growth and eliminates dry patches.
- Fewer weed problems – Proper moisture levels prevent weeds from taking root.
- Custom coverage – Heads can be placed to accommodate the shape of your yard.
- Automatic watering – Programmable controllers handle irrigation on a set schedule.
- Less maintenance – Sprinkler heads are protected underground from damage.
- Improved aesthetics – No visible pipes, hoses or sprinklers cluttering up your lawn.
The benefits of lush, weed-free grass and not having to drag hoses around outweigh the higher upfront installation costs for most homeowners.
Installing an underground sprinkler system is a major investment that can pay off in the long run through water savings, healthier grass and increased convenience. But like any major home improvement project, it’s natural to have questions about the cost.
How Much Does Underground Sprinkler Installation Cost?
The average cost to install underground sprinklers ranges from $1,500 to $3,000 for a typical suburban lawn of around a quarter to half an acre. However, there are many factors that affect the total price tag:
- Size of lawn – The more ground you need to cover, the more heads and piping required.
- Type of system – Simple drip irrigation is cheapest. Rotor sprinklers provide the best coverage but cost more.
- Speciality components – Sloped areas or tight spaces may need customized heads.
- Soil type – Rocky or clay soil requires more excavation work.
- Zones – Multiple watering zones add expense but improve efficiency.
- Smart controls – Programmable controllers are pricier but automate watering.
Other factors like permitting fees and post-installation landscaping repairs can drive costs up. Get an itemized estimate accounting for your unique lawn challenges.
How to Get the Best Deal on Installation
Here are tips for finding affordable underground sprinkler installation:
- Get quotes from 3-5 irrigation companies to compare.
- Ask about package deals on equipment + professional installation.
- Inquire about trenching equipment discounts if you dig the ditches.
- Seek referrals for specialists that offer competitive pricing.
- Schedule install in the off-season when demand is lower.
- Opt for simple rotor sprinklers over expensive drip irrigation.
Paying a little more for quality installers with strong warranties can also save you money in the long run through fewer repairs and replacements.
Is the Investment Worth It?
Underground irrigation costs more upfront but can yield impressive ROI through factors like:
- Decreased water usage – 30-50% savings possible.
- Healthier landscaping – Less disease and pest issues.
- Reduced maintenance once installed – No seasonal blowouts.
- Higher home value – Particularly in drier climates.
If you’re tired of paying for wasted water and damage repairs on old above-ground systems, investing in underground sprinklers can pay dividends for years to come through savings and better lawn care.
Installing an underground sprinkler system requires technical expertise, quality materials and proper planning. With such a major investment at stake, it’s essential to find the right irrigation company for the job.
Finding The Right Underground Sprinkler Company
Look for these traits when evaluating potential underground sprinkler installation contractors:
- Specialized experience – Seek companies focused solely on irrigation over general landscapers.
- Established business – Look for 5+ years in operation.
- Industry affiliation – Prefer companies belonging to trade groups like IA and NALP.
- Manufacturer certified – This ensures proper training on equipment.
- Proper licensing – Required for irrigation work in most areas.
- Liability insurance – Protects your property in case of damages.
The right irrigation company will have strong technical expertise along with a track record of reliability. Checking for proper credentials helps verify this.
Vetting Potential Underground Sprinkler Companies
Here are smart tips for evaluating contractors:
- Ask for referrals from recent customers.
- Read online reviews on sites like Yelp and Angie’s List.
- Verify licensing on state contractor board websites.
- Check for complaints with the Better Business Bureau.
- Ask detailed questions about their installation process.
A site visit and estimate from a reputable contractor will give you a chance to assess their knowledge and professionalism first-hand.
What to Look for in the Estimation Process
The right contractor will:
- Do an on-site evaluation of your unique needs.
- Present a detailed plan tailored to your landscape.
- Provide an itemized quote outlining all costs.
- Use top brand name components.
- Have strong warranties on parts and labor.
- Answer all questions knowledgeably.
Finding an established underground sprinkler company with satisfied customers will give you confidence in a major investment that can enhance your landscape for years to come.
If your tired old above-ground sprinklers aren’t nourishing your lawn the way they used to, it may be time to consider an underground system. The investment pays off through healthier grass, water savings, and convenience.
What Are The Benefits Of Underground Sprinklers?
Here are the top reasons to make the switch:
- Better efficiency – Underground systems waste less water through evaporation and overspray.
- Healthier grass – Even coverage encourages growth and fights weeds.
- Automated watering – Programmable controllers handle irrigation for you.
- Customizable – Heads can be placed to accommodate yard shape.
- Durable materials – Underground pipes and heads are less prone to damage.
- Improved aesthetics – No visible pipes, hoses or sprinklers marring your landscape.
Let’s explore those benefits in more detail:
Better Water Efficiency
Underground systems apply water right to the soil through targeted spray heads. This avoids the 30-50% overspray loss common with above-ground models. Underground irrigation also won’t leave dry patches due to wind disruption.
Healthier Grass
The even water coverage encourages stronger turf grass growth. Consistent moisture below the surface prevents weed seeds from sprouting. Rich green lawns are easier with underground sprinklers.
Automated Watering
Smart controllers handle the irrigation scheduling for you based on weather and lawn conditions. No more dragging hoses around or forgetting to water. Just set it and forget it.
Customizable Layouts
Heads can be placed anywhere to accommodate the unique shape of your landscape. Odd angles, slopes and narrow spaces are no problem.
Fewer Repairs
Underground materials are more durable and concealed. No more broken pipes from lawnmowers or damaged heads from romping kids.
If a beautiful worry-free lawn sounds appealing, underground sprinklers can be a game changing investment for your landscape.
Selecting the optimal sprinkler heads is crucial for an efficient underground irrigation system. The right heads for your landscape will ensure even coverage, minimal maintenance, and years of reliable service.
Choosing The Right Underground Sprinkler Heads
Consider these factors when selecting underground sprinkler heads:
Sprinkler Pattern
Heads are available in quarter-circle, half-circle, and full-circle spray patterns. Choose patterns that provide complete coverage without overlap. For example, quarter-circle heads are great for watering up against walls and fences.
Precipitation Rate
This refers to how much water the head puts out measured in inches per hour. Match precipitation rates across heads for even coverage. Rates range from 1″ to over 3″ per hour for different needs.
Adjustable Arc
Look for heads with adjustable arcs that allow you to customize the spray angle as needed. This accommodates the unique contours of your landscape.
Nozzle Options
Interchangeable nozzles are convenient for modifying spray distance and flow rates. Some models feature dual nozzle options for extra flexibility.
Pop-Up Height
Standard pop-up heights are 4″ to 6″ but some applications call for lower or higher extensions. Consider clearance from grass height and potential obstacles.
Materials
Commercial grade plastic rotor heads offer the best value. Stainless steel bodies provide maximum durability in harsh climates.
Consulting with irrigation experts on heads tailored to your yard’s specifics will ensure optimal performance from your underground sprinklers.
Best Underground Sprinkler Brands
Trust proven brands like Rain Bird, Hunter, and Toro for quality underground irrigation components that will provide years of reliable service.
Investing in the right sprinkler heads is essential for efficiently watering every inch of your landscape to its fullest potential.
One of the best features of underground sprinkler systems is the ability to program automatic watering schedules customized to your lawn’s needs. Smart controllers make it easy to set and adjust your irrigation schedule for healthy grass.
Programming And Controlling Your Underground System
Here are tips for maximizing an automatic underground sprinkler controller:
Adjust for Seasonality
Program more frequent watering during hot peak summer months and reduce during cooler spring and fall. Avoid watering in winter when grass goes dormant.
Cycle and Soak Settings
Utilize multiple shorter watering cycles with a soak time in between. This allows soil to absorb rather than run off.
Water Early Mornings
Schedule irrigation between 4-10am when evaporation loss is lowest. Avoid watering at night that can promote fungus.
Group Zones by Needs
Divide sprinklers into zones based on plant type, sun exposure and soil. Program each zone independently.
Use Smart Weather Sensors
Add rain and freeze sensors that automatically delay watering when nature provides moisture.
Adjust for Rainfall
Reduce schedules after heavy rains so you don’t overwater.
Manual Controls
Supplement automatic watering with manual adjustments as needed.
Monthly Inspections
Do walkthroughs to check for leaks, damaged heads and coverage gaps needing schedule tweaks.
Learning your controller’s capabilities and tailoring the programming to your landscape takes some trial and error but optimizes efficiency.
Smart irrigation control paired with underground sprinklers leads to lush landscapes without wasted water.
Installing underground sprinklers is a challenging DIY project, but the cost savings can make the effort worthwhile. With proper planning, materials and elbow grease, you can install an efficient system successfully.
Do It Yourself Underground Sprinkler Installation Tips
Follow this advice to tackle underground sprinkler installation as a DIY project:
Install in Dry Months
Schedule the install during summer or early fall when trenching and planting grass seed is easier.
Map Out the System
Mark head locations, pipe runs and trenches based on coverage needs. Plan for gradual slopes.
Rent a Trencher
Renting a walk-behind trencher makes digging easier than manual shovel work in most soils.
Use Flexible Piping
Flexible polyethylene pipe is easy for DIYers to install with simple push-fittings.
Include Drainage Gravel
Add a layer of gravel in trenches to improve drainage below the pipes.
Backfill Trenches Properly
Be careful not to damage pipes when backfilling. Use sand or fine soil.
Follow Manufacturer Instructions
Consult diagrams for proper assembly and head placement techniques.
Perform Water Coverage Tests
Inspect spray patterns and adjust heads as needed for even watering.
Program the Controller
Set watering schedules based on zones, soil type and seasonal needs.
With the right tools and preparation, a DIY sprinkler system can be an affordable option for enterprising homeowners.
Underground sprinkler systems are less prone to damage than above-ground models. But over time, problems can still arise that require troubleshooting and repairs.
Common Underground Sprinkler Problems And Repairs
Watch for these common issues and how to fix them:
Leaking Joints
Leaks at pipe connections are often caused by loose fittings. Tighten fittings with a pipe wrench and add Teflon tape to threads.
Clogged Heads
Mineral deposits and debris can clog nozzles and reduce water flow. Unscrew heads and clean with a pick or vinegar soak.
Sunken Heads
Heads may sink over time. Raise sunken heads to proper grade with a riser extension.
Pool Coverage
Adjust arc nozzles and water pressure to get even coverage without dry spots or overspray.
Damaged Wiring
Rodents or gardening tools can damage buried control wires. Splice broken wires with waterproof connectors.
Faulty Valves
Valves that stick closed or leak when open should be rebuilt with a kit or replaced.
Malfunctioning Controller
Replace faulty controllers. Upgrade to a smart WiFi-enabled model for advanced features.
Winterize the system each fall by draining pipes, blowing out lines, and shutting off water supply to prevent freeze damage.
Regular inspection and prompt repair of any problems keeps an underground system operating at peak efficiency.
One of the perks of underground sprinkler systems is low maintenance. But come winter, a bit of seasonal care is still needed in cold climates to prevent freeze damage.
Winterizing Your Underground Sprinkler System
Follow this winter prep checklist to protect your system:
Flush the Lines
Run a drain cycle to clear pipes of all remaining water that could freeze and expand.
Blow Out the Pipes
Use compressed air to force any lingering moisture out of below-ground lines.
Drain and Store Above-Ground Pipes
Detach and drain any pipes that are above ground and could hold water.
Insulate Vulnerable Components
Wrap insulation around valves, backflow preventers and control boxes.
Seal Off the Water Supply
Shut off and drain the stop and waste valve that feeds water to the sprinklers.
Adjust the Controller Settings
Disable all watering schedules for the winter season.
Service the System
Inspect and repair any issues you find to start spring in top shape.
Remove and Store Your Smart Controller
Bring programmable controllers indoors so temperatures don’t damage them.
A thorough winterization protects your investment and ensures your underground sprinklers are ready for lush green grass come spring.
Valves play a crucial role in underground sprinkler systems by controlling water flow to zones. Investing in quality valves prevents problems and ensures reliable watering.
Buying The Best Underground Sprinkler Valves
Consider these tips when selecting new valves for your underground irrigation system:
Match the Valve Size to Piping
Choose the proper valve diameter to match the pipes they connect to for optimal water flow.
Anti-Siphon Protection
Look for built-in backflow prevention to stop contaminated water from siphoning back.
Manual Bleed Screw
Handy bleed screws make it easy to manually open valves to drain lines before winter.
Durable Materials
Commercial grade plastic valves hold up better than lower cost latex models.
Full Port Design
Full port openings allow unimpeded water flow to reduce pressure loss.
Flow Control
Adjustable flow controls balance water volume to different zone needs.
Union Fittings
Quick connect fittings simplify valve installation and future servicing.
Reputable Brands
Choose a trusted brand like Rain Bird, Hunter or Toro for quality assurance.
Investing in robust commercial-grade valves prevents lots of potential headaches down the road.
A well-designed sprinkler layout is crucial for an efficient underground irrigation system. Optimal placement of heads and pipes ensures complete coverage without overspray or dry spots.
Designing An Efficient Underground Sprinkler Layout
Use these tips when planning your layout:
Evaluate Your Landscape
Consider lawn size, shape, vegetation, slopes and sun exposure to determine watering needs.
Divide Into Zones
Group sprinklers into separate zones based on plant type and sun exposure for custom schedules.
Maximize Existing Elements
Utilize sidewalks, driveways and garden borders to reduce head spacing needs.
Account for Pressure Differences
Adjust head types and spacing for pressure variances from valves.
Allow Enough Clearance
Ensure heads have proper clearance from walls, fences, trees and other obstructions.
Follow Manufacturer Recommendations
Consult head specs for optimal coverage and overlap requirements.
Gradually Slope Lines
Use a 1-2% slope for lateral pipes to facilitate drainage.
Easy Access to Components
Place valves and control wiring where they are easily accessible for maintenance.
An irrigation professional can help craft the ideal layout tailored to the quirks of your yard.
If your current above-ground sprinkler system isn’t keeping your lawn properly nourished, it may be time to consider upgrading to an underground system.
Upgrading From Above Ground To Underground Sprinklers
Upgrading offers benefits like:
Improved Water Efficiency
Underground sprinklers deliver water directly to roots with less evaporation or wind disruption.
Healthier Grass
The even coverage of underground systems produces thicker, greener, and weed-free turf.
Better Coverage
Strategically placed heads can reach every inch of odd-shaped lawns.
Less Maintenance
Underground systems are less prone to damage from lawn mowers or kids.
Automatic Watering
Programmable timers handle watering tasks so you don’t have to move hoses.
Improved Aesthetics
No more unsightly above-ground pipes and sprinklers marring your landscape.
Upgrading does come at a cost ranging from $1,500 to $3,000 or more. But for many homeowners, the benefits outweigh the price.
Tips for Upgrading
When converting to underground sprinklers:
- Have an irrigation company design the new system based on your yard’s needs.
- Schedule the install during dry months for easy digging.
- Use existing above-ground pipe runs if possible to save money.
- Upgrade your controller to an automatic smart model.
- Make any necessary improvements to drainage and grading.
The investment pays dividends through water savings and lush, healthy grass for years to come.
Underground sprinkler systems excel at covering broad expanses of lawn efficiently. But for watering gardens, trees and shrubs, targeted drip irrigation can be a wise companion system.
Installing Underground Drip Irrigation Alongside Sprinklers
Here’s how combining drip and sprinklers can maximize irrigation for your entire landscape:
Benefits of Drip Irrigation
- Saves water by slowly applying it to soil and plant roots.
- Prevents disease by keeping foliage dry.
- Waters uneven terrain effectively.
- Can be zoned separately from sprinklers.
Best Uses for Drip Lines
- Flower and vegetable garden beds.
- Trees, shrubs and bushes.
- Sloped areas and berms.
- Odd shaped zones sprinklers miss.
Installation Tips
- Install drip lines 6-12 inches deep alongside sprinkler pipes.
- Use a separate valve for drip zones to control flow rate.
- Flush lines annually to prevent sediment clogs.
- Install a filter to keep debris out of emitters.
The combination of broad coverage from sprinklers and precision targeting of drip irrigation lets you customize watering for peak efficiency throughout your landscape.
Underground sprinkler systems have distinct advantages over in-ground and pop-up models. But they also come at a higher initial cost. Understanding the key differences helps determine the best option for your lawn.
Comparing Underground To In-Ground And Pop-Up Sprinklers
Underground Sprinklers
- Pipes and heads buried for invisibility
- Heads pop-up when watering
- Most efficient water usage
- Higher upfront cost to install
In-Ground Sprinklers
- Permanent heads fixed in ground
- Vulnerable to damage from mowers
- Prone to blocking from grass growth
- Lower cost than underground
Pop-Up Sprinklers
- Heads sit above ground when off
- Pop up on flexible stalks when watering
- Often used in existing systems
- Less expensive but not invisible
For new installations seeking optimum efficiency with low maintenance, a fully underground system is ideal. But pop-ups and in-ground models can provide affordable options for upgrading old systems gradually.
The right choice depends on your budget and priorities for your lawn and landscape.
One of the advantages of underground sprinkler systems is low maintenance needs. But some periodic care will still keep your system operating at peak efficiency for years.
Maintaining Your Underground Sprinkler System
Follow this maintenance schedule:
Early Spring
- Test and adjust sprinkler heads for proper alignment and coverage.
- Check for clogged nozzles and clean as needed.
- Inspect valves and repair leaks or malfunctioning components.
- Examine all above-ground fittings and pipes for freeze damage.
Mid Spring
- Flush debris from lines by running zones manually.
- Check soil moisture sensors are working properly before automatic watering starts.
- Adjust watering schedules based on plant needs as temperatures warm.
Mid Summer
- Monitor spray patterns while running and adjust as needed.
- Inspect for leaks and evidence of underground pipe damage.
Early Fall
- Have professional check and winterize backflow preventer.
- Winterize components and drain system before freezing temps arrive.
Proper maintenance maximizes the value of your investment and keeps your landscape lush and healthy year after year.