24/7 Emergency Service Available (631) 862-6016

Serving Nassau & Suffolk Counties Since 1983

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Count On Us For Sales, Service & Installation of:

  • Air Conditioning Systems
  • Ductless Air Conditioning
  • Heating Systems
  • Indoor Air Quality Products
  • Gas & Electric Water Heaters
  • Humidifiers
  • Ventilation
  • Thermostats

Quality Workmanship
at Affordable Prices!

Residential & Commercial

Specials & Rebates

Rebates

PSEGLI Cool Homes Program
Replace your system and get up to $1,400 per unit in rebates.  Enhanced rebates are available when you replace an inefficient CAC or heat pump that is operational or in need of minor repairs.  Learn more.

Federal Tax Credits for HVAC
Tax credits may be available for applicable HVAC products. Learn more.

Our Coupons

$50 Loyalty Bucks

$50 off a repair for our existing customers only!
Applies to repairs over $300.

Phone: (631) 862-6016
Email: info@dmlsair.com

coupon - saving money
Limit one per customer. Cannot be combined with any other coupon or discount. Only one coupon may be applied per transaction. Coupon must be surrendered at time of service.

$25 OFF Repair

$25 off a repair for new customers only!

Phone: (631) 862-6016
Email: info@dmlsair.com

coupon - saving money
Limit one per customer. Cannot be combined with any other coupon or discount. Only one coupon may be applied per transaction. Coupon must be surrendered at time of service.

Maintenance Contract Special

20% off parts/labor if you sign up for a 2 year contract.
Learn more.

Phone: (631) 862-6016
Email: info@dmlsair.com

coupon - saving money
Limit one per customer. Cannot be combined with any other coupon or discount. Only one coupon may be applied per transaction. Coupon must be surrendered at time of service.

$300 Rebate

$300 off the installation of a 16 SEER York Affinity system

Phone: (631) 862-6016
Email: info@dmlsair.com

coupon - saving money
Limit one per customer. Cannot be combined with any other coupon or discount. Only one coupon may be applied per transaction. Coupon must be surrendered at time of service.

$150 Rebate

$150 off the installation of a 16 SEER York LX system

Phone: (631) 862-6016
Email: info@dmlsair.com

coupon - saving money
Limit one per customer. Cannot be combined with any other coupon or discount. Only one coupon may be applied per transaction. Coupon must be surrendered at time of service.