Thermostat Services

Serving Suffolk and Nassau Counties, NY

Service contracts, emergency services, and financing available. 

Enhance Your Home's Comfort With Thermostat Services

Since 1985, Energywise Inc has been a trusted provider of heating and air services in Suffolk and Nassau Counties, NY. As a local company, we understand the specific climate needs of our area. Our fully trained technicians are prepared to handle all your thermostat needs, from installation to repair, ensuring your home remains comfortable throughout the year. We offer bilingual services in English and Spanish to communicate effectively with all our customers. At Energywise Inc, we focus on providing complete solutions. Our technicians are skilled in servicing all brands, allowing us to address any thermostat issue. We aim to prevent problems by spotting and fixing small issues before they become costly repairs. With over 40 years of experience and a 90-day service guarantee, we deliver reliable and efficient thermostat services. Experience the Energywise Inc difference by contacting us today!

Why Choose Energywise Inc

Our commitment to sustainable quality means your heating & cooling system will perform at its best when you need it most.

The Energywise team ensures seamless installation and thorough maintenance to keep your system running efficiently year-round.



  • We're here when you need us most
  • We service all brands and fix small issues before they become big problems
  • Our team is fully trained and backed by over four decades of experience
  • Proud to be a PSEG Long Island Home Comfort Partner
  • A+ Rating with The Better Business Bureau
  • Fully Licensed & Insured in Suffolk & Nassau County
  • Clean History with Suffolk & Nassau County Consumer Affairs


Energywise Inc

Smart Thermostat Installation

Upgrade your home comfort with our smart thermostat installation services. We partner with leading brands like Bosch, Mitsubishi Electric, and Trane to bring you the latest technology. Our team will help you select and install the best smart thermostat for your home, improving energy efficiency and comfort.

Thermostat Repair

If your thermostat isn't working properly, we're here to help. Our skilled technicians can repair all types of thermostats. We offer 24-hour emergency services and have expertise in brands like Carrier, Lennox, and Rheem. We quickly diagnose and fix thermostat issues to restore your home's comfort.

New Customers

Save $50 on

HVAC Service

First-time customers get $50 off any heating or air conditioning service from Energywise Inc. Experience top-quality HVAC care in Suffolk and Nassau Counties.

Call Energywise Inc!

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.
(631) 500-5300

5% Discount for Those Who've Served

Energywise Inc offers 5% off HVAC services. Save on heating and cooling solutions for your Long Island home.

Call for Service!

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.
(631) 500-5300

Here's what our satisfied customers are saying...

At Energywise Inc, we take pride in providing exceptional HVAC solutions to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Energywise Inc and let others know what you think.

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