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Heating, Air Conditioning & Plumbing Coupons & Specials
Thank you for stopping by to learn more about Gilman Heating, Cooling & Plumbing, the region’s leading heating and air conditioning service provider. Take advantage of our current specials and check back often for updated offers on preventive maintenance, heating, and AC repair services and new installation projects. Our technicians can answer questions you may have about about manufacturer rebates, special financing offers and more!
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Save Now on Service with Gilman
$25 Off
a Heating Service Call
Expires July 31, 2026
Valid only for residential customers and one coupon per household. Not valid with any other offers, discounts, or on prior sales. Coupons must be presented at the time of service. Applicable dispatch fees will be charged at the time of service. Some restrictions apply. Call for details.
FREE Estimate or Second Opinion
On Your New Heating or Air Conditioning System
Expires July 31, 2026
Free estimate or second opinion on new/replacement heating and air conditioning system only. Not valid on repairs. Normal business hours only. Must be presented at time of service. Applicable dispatch fees will be charged at the time of service. Residential owner-occupied only. No cash value. Not valid with other discount offers.
$200 Referral Reward
when you Refer A Friend or Neighbor
Expires July 31, 2026
To be eligible for the referral reward, the referred customer must purchase and install a new heating or cooling system from Gilman. The $200 discount will be applied to your account within 30 days of the referred customer's completed installation and can be used toward any future service or installation.
$25 Off
Residential Plumbing Repair
Expires July 31, 2026
Valid only for residential customers. Not valid with any other coupon offers, discounts, or on prior sales. Coupon must be presented at the time of service. Applicable dispatch fees will be charged at the time of service. Some restrictions apply. Call for details.
Only $199
Sump Pump Inspection
Ensure Piece of Mind
Expires July 31, 2026
Valid only for residential customers and one coupon per household. Not valid with any other offers, discounts, or on prior sales. Coupons must be presented at the time of service. Applicable dispatch fees will be charged at the time of service. Some restrictions apply. Call for details.
$99 Off
Water Heater Inspection, Flush, & Fill
(Reg. $250)
Expires July 31, 2026
Valid only for residential customers and one coupon per household. Not valid with any other offers, discounts, or on prior sales. Coupons must be presented at the time of service. Applicable dispatch fees will be charged at the time of service. Some restrictions apply. Call for details.
$50 Off
Garbage Disposal Installation
(With Purchase)
Expires July 31, 2026
Valid only for residential customers. Normal business hours only. Not valid with any other offers, discounts, or on prior sales. Coupons must be presented at the time of service. Applicable dispatch fees will be charged at the time of service. Some restrictions apply. Call for details.
10% OFF
Senior Citizen Discount
Expires July 31, 2026
Seniors 60 & older. Max discount of $300. Valid only for residential customers. Normal business hours only. Not valid with any other offers, discounts, or on prior sales. Coupons must be presented at the time of service. Applicable dispatch fees will be charged at the time of service. Some restrictions apply. Call for details.
10% OFF
Military or 1st Responders
Expires July 31, 2026
Eligible individuals include active and retired military personnel, first responders, and healthcare providers. Proof of eligibility may be required at the time of service or purchase. Max discount of $300. Valid only for residential customers. Normal business hours only. Not valid with any other offers, discounts, or on prior sales. Discount can not be applied to a service fee. Coupons must be presented at the time of service. Applicable dispatch fees will be charged at the time of service. Some restrictions apply. Call for details.
Our Top Picks for a Happier, Healthier Home
These are the products we reach for first, the ones that consistently make homes healthier, safer and easier to maintain. Handpicked by the Gilman team, our Go-To’s take the guesswork out of choosing smart upgrades for your home.
Air Scrubber
The Air Scrubber with ActivePure Technology purifies your air and decontaminates surfaces 24/7 reducing
allergens, odors, and everyday contaminants. It installs directly into your existing ductwork and helps protect
your HVAC system from harmful buildup, keeping your home fresher and your equipment running smoothly.
Regular Price:
$1,489.00
Today's Price:
$1,191.20
Honeywell Smart Thermostat
Upgrade to the Honeywell T10+ Pro Smart Thermostat and take control of your home’s comfort your way. Paired with a REDLINK Smart Room Sensor, it provides precise, room-by-room temperature control and creates schedules that match your lifestyle. It delivers comfort, efficiency, and smarter savings.
Regular Price:
$625
Today's Price:
$500
Hot/Cold Spigot
The Woodford Model 22 makes everyday outdoor tasks effortless. From giving your dog a batch and cleaning garages to filing kiddie pools and rinsing windows, this
hot/cold faucet delivers year-round convenience.
Regular Price:
$704.00
Today's Price:
$563.20
Laundry Pro 2.0
Reinvent the way you do laundry. With the Laundry Pro 2.0, you can skip the detergent, bleach, softeners and even hot water. Just cleaner, fresher, naturally soft laundry every wash. It’s the smarter, simpler, eco-friendly way to care for your clothes and your home.
Regular Price:
$1,352.00
Today's Price:
$1,081.60
Moen Flo Shutoff
The Moen Flo Smart Water Shutoff monitors your home’s entire water system 24/7, detecting leaks, tracking usage, and shutting off water instantly if a major issue is detected. With real-time alerts and easy app controls, it gives homeowners peace of mind and protection against costly damage.
Regular Price:
$1,372.00
Today's Price:
$1,097.60
Surge Protective Device
A surge protective device shields your entire electrical system from sudden voltage spikes caused by storms, outages, and everyday power fluctuations. By stopping harmful surges before they reach your appliances and electronics. An SPD helps extend equipment life, prevent unexpected failures, and keep your home running safely and reliably.
Regular Price:
$372.00
Today's Price:
$296.60
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Heating & Cooling Services
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