Sep 8, 2026
How Much Does HVAC Replacement Cost? (2026 Cost Guide)
Reading Time About 16 Min
Residential HVAC
Certified Cooling & Heating, Inc.
Verified
4.9(16 reviews)•Residential•Serving Ronkonkoma, NY
EPAEnergy StarNCI
Locally owned HVAC company providing heating, cooling, and air quality services on Long Island.
Certified Cooling & Heating, Inc. is a residential HVAC contractor based in Ronkonkoma, NY. Services listed include AC repair, furnace installation, furnace repair and indoor air quality services.
Available
Financing Available
Ronkonkoma, NY
Service Area
Services Offered
Residential replacement air conditioner installation
AC repairfurnace installationfurnace repairresidential new construction
indoor air quality servicesHVAC maintenance
equipment & installation estimates
extended service agreementsCustomer Sentiment Summary
Strengths
- Crews carry themselves professionally — 3 reviewers single out polite, respectful technicians.
- Technical depth stands out: 2 reviewers credit the crew with a correct diagnosis and a clean repair.
Areas to Watch
- No complaint recurs across the 12 reviews analysed, which is consistent with the 4.9-star average — but a clean record is not the same as a long one.
Reviews from Best HVAC visitors
No Best HVAC reviews yet
Been a customer of Certified Cooling & Heating, Inc.? Be the first to rate them.
Get Your HVAC Business Listed
Want to put your heating and cooling company in front of local homeowners and businesses actively searching for reliable HVAC services? Claim your spot and connect with high-intent customers in your area.
Get Featured
Blog / News
View all articles HVAC Tips, Guides & Industry News
Sep 7, 2026
Why Does My Thermostat Screen Go Blank?
Reading Time About 6 Min
Sep 6, 2026
How to Clean AC Condenser Coils Safely
Reading Time About 7 Min
Sep 3, 2026
AC Blowing Warm Air? Common Causes and Fixes
Reading Time About 6 Min
FAQ
Contact Our TeamFrequently Asked Questions
Have another question? Our team is here to help.
Certified Cooling & Heating, Inc. lists AC repair, furnace installation, furnace repair, indoor air quality services, HVAC maintenance and extended service agreements. Contact them to confirm they handle your specific job.
Certified Cooling & Heating, Inc. is based in Ronkonkoma, NY.
Use the call button, website link or contact details on this page to reach the company directly.
Get in touch and we will keep your listing details accurate and add photos.