Air Conditioning, Heating, Plumbing, and Electric Savings Coupons

Save Big with Online Deals

At Cornerstone, your budget is a priority—so we provide competitive pricing that delivers on value. To save even more, choose one of the offers below and present it to your Cornerstone technician. Thank you for entrusting your comfort to us!

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FREE Generator Estimate

+ $150 off installation!
Must present coupon. Cannot be combined with other coupons--one per visit.
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FREE Air Conditioning Estimate

+ $150 off installation!
Must present coupon. Cannot be combined with other coupons--one per visit.
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$49 Emergency Service Call

Air, Plumbing, or Electrical. Mon-Fri 7am-7pm
Must present coupon. Cannot be combined with other coupons--one per visit.
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Plumbing Tuneup and Water Heater Inspection & Flush

Just $49.95 for a plumbing tuneup with water heater inspection and flush!
Must present coupon. Cannot be combined with other coupons--one per visit.
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Plumbing Inspection

Only $29.95 to inspect your plumbing system. Have peace of mind that your water lines, pipes and drains are reliable.
Must present coupon. Cannot be combined with other coupons--one per visit.
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Electrical Home Inspection

Only $50 to inspect your home electrical system. Ensure your family is safe.
Must present coupon. Cannot be combined with other coupons--one per visit.
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$50 Off Water Heater Replacement

Must present coupon. Cannot be combined with other coupons--one per visit.
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$25 Off Any Repair

AC, Heating, Plumbing or Electrical
Must present coupon. Cannot be combined with other coupons--one per visit.
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$250 Off OR 12-Month Special Financing

On New 15 SEER or Higher AC System, with approved credit
Must present coupon at time of installation. Cannot be combined with other coupons--one per visit.
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Free Nest Thermostat With Any AC Replacement

16 SEER single-stage system only
Must present coupon. Cannot be combined with other coupons--one per visit.
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$50 Off LED Lighting Upgrade

Must present coupon. Cannot be combined with other coupons--one per visit.
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$50 Off Indoor Air Quality Products

Must present coupon. Cannot be combined with other coupons--one per visit.
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$100 Off New Tankless or Hybrid Water Heater Installed

Must present coupon. Cannot be combined with other coupons--one per visit.
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Free Estimates & Second Opinion

New AC system, Air quality inspection, Ductwork replacement, Water heater replacement, Plumbing whole-home repipe, Water treatment & purification, Electrical panel upgrade, Whole-home generator
Must present coupon. Cannot be combined with other coupons--one per visit.
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$75 Off and 12-Month Special Financing on a Whole-Home Standby Generator

Get a free estimate today!

With approved credit
Must present coupon. Cannot be combined with other coupons--one per visit.
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FREE Water Quality Test & Estimate for Water Treatment

Must present coupon. Cannot be combined with other coupons--one per visit.
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$75 Off and 12-Month Special Financing on New Water Treatment System

Get a free estimate today!

With approved credit

Must present coupon. Cannot be combined with other coupons--one per visit.
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Cash Rebate up to $1200 Instantly

Daikin Brand Energy Intelligent Indoor Comfort Equipment
12-year warranty and 100% satisfaction guarantee. Applies to qualifying Daikin equipment.
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