AC Runs Constantly but the House Stays Warm in Greenwich?
If your AC runs constantly but your Greenwich home still feels warm, learn common causes, warning signs, and when to call for service.
Greenwich HVAC
Services
Heating and cooling service for Greenwich, CT neighborhoods including Cos Cob, Riverside, Old Greenwich, Glenville, Byram, and Pemberwick.
Greenwich HVAC
Services
Heating and cooling service for Greenwich, CT neighborhoods including Cos Cob, Riverside, Old Greenwich, Glenville, Byram, and Pemberwick.
INSTALLATION
New HVAC system installation for homes and renovation projects.
REPLACEMENT
Practical replacement guidance when repair is no longer the best option.
REPAIR
Troubleshooting and repair for heating and cooling problems.
MAINTENANCE
Seasonal service and preventative maintenance agreements.
Greenwich Heating & Cooling
Integrity First
Local HVAC service with strong troubleshooting
and practical recommendations
Morbi eget libero ac tortor fringilla faucibus. Cras dolor. Integer sapien. Quisque fringilla. Vivamus sed lacus id urna facilisis tempus. Proin pede. Ut quis lectus vitae ligula euismod adipiscing. Mauris porttitor vestibulum orci.
Who We Are
Integrity First, practical troubleshooting, and dependable local service guide every recommendation.
SERVICE LEGENDS
AC repair, no-cool troubleshooting, heating service, maintenance, replacement, and installation.
OUR GOAL
Serving Greenwich, CT with neighborhood-focused HVAC service in Cos Cob, Riverside, Old Greenwich, Glenville, Byram, Pemberwick, and nearby Greenwich areas.
OUR CLIENTS
Clear communication for homeowners, contractors, and property managers.
OUR PRIMARY PURPOSE
We do not position around oil systems; we focus on practical HVAC service and troubleshooting.
Need HVAC Service?
*for detailed quote use extended version
Dependable HVAC repair and maintenance
for your home
Greenwich HVAC provides HVAC repair, maintenance, replacement, and installation with honest recommendations and strong troubleshooting.
Honest, practical replacement and installation
guidance
Greenwich HVAC provides HVAC repair, maintenance, replacement, and installation with honest recommendations and strong troubleshooting.
01234567890012345678900123456789001234567890
01234567890012345678900123456789001234567890
FREE CALL 24/7
203-531-7511
Recent Blog Posts
Practical heating, cooling, maintenance, and homeowner tips from Greenwich HVAC.
What Is Included in AC Maintenance in Greenwich, CT?
What Greenwich homeowners should expect from a proper AC maintenance visit before cooling season, from airflow to drains and electrical checks.
Spring HVAC Maintenance in Greenwich, CT: Why It Matters
Spring HVAC maintenance in Greenwich, CT helps homeowners prepare AC systems before cooling season. Learn what to check and when to call Greenwich HVAC.
Recent Projects
Recent heating, cooling, boiler, and equipment replacement work in Greenwich, CT.
Boiler Replacement – Mayo Avenue – Belle Haven, Greenwich, CT – January 2026
Proactive boiler replacement on Mayo Avenue in Belle Haven, Greenwich, CT, replacing unsupported TriangleTube boilers with new IBC boilers, primary circulators, rewired low-voltage controls, and startup testing.
AC Equipment Replacement – Flagler Drive – Greenwich, CT – June 2026
Central AC equipment replacement on Flagler Drive in Greenwich, CT, including a First Company hydronic air handler, American Standard condenser, new safety controls, and startup testing.
AC Equipment Replacement – Belle Haven – Greenwich, CT – June 2026
AC equipment replacement in Belle Haven, Greenwich, CT, after a refrigerant leak, including American Standard equipment, rooftop platform work, refrigerant-line testing, and startup.
Our Office
Our company provides warehousing
and distribution from our HQ.
and distribution from our HQ.
WORKING HOURS
Mon - Sun 8.00am - 8.00pm
After-hours emergency help when available
After-hours emergency help when available
LOCATION
Greenwich, CT
CALL CENTER
203-531-7511
Call for HVAC service
Call for HVAC service
WRITE US
office@greenwichhvac.net