Sep 8, 2026
How Much Does HVAC Replacement Cost? (2026 Cost Guide)
Reading Time About 16 Min
Open 24/7
Commercial HVAC
Coastal Mechanical LLC
Verified
4.7(14 reviews)•Residential & Commercial•Serving Epping, NH
EPAEnergy StarNATENCI
Family-owned HVAC contractor specializing in heating, ventilation, air conditioning, and refrigeration services for residential and light commercial properties.
Coastal Mechanical LLC is a commercial HVAC contractor based in Epping, NH. Services listed include AC repair, HVAC installation, air conditioning installation and emergency HVAC services. Emergency service available.
Yes
Emergency Service
Available
Financing Available
Epping, NH
Service Area
Services Offered
AC repair
HVAC installation
air conditioning installationheating service
emergency HVAC servicessystem design
maintenance programsrefrigeration repairsrefrigeration installationsfurnace replacementducting heat pump installation
oil boiler serviceboiler cleaninghot water tank service
mini split cleaning
smart thermostat setupCustomer Sentiment Summary
Strengths
- Crews carry themselves professionally — 3 reviewers single out polite, respectful technicians.
- Technicians turn up inside the booked window, something 3 reviewers went out of their way to note.
- 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 11 reviews analysed, which is consistent with the 4.7-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 Coastal Mechanical LLC? 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.
Coastal Mechanical LLC lists AC repair, HVAC installation, air conditioning installation, emergency HVAC services, maintenance programs and refrigeration repairs. Contact them to confirm they handle your specific job.
Coastal Mechanical LLC is based in Epping, NH.
Yes, Coastal Mechanical LLC lists emergency service. Call them directly for urgent heating or cooling repairs.
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.