$89 diagnostic fee — waived when repair is scheduled same day. Written estimate before any work begins.
No call too small.
No failure too catastrophic.
Three real service scenarios — each documented from first symptom to code-compliant resolution.
Frozen Evaporator Coil
AC running but no cooling — ice visible on indoor unit
Homeowner called at 11 PM. 94°F outside. System had been struggling for three days, dismissed as normal summer load.
Coil Thaw + Refrigerant Recharge
Replaced collapsed return filter, located and sealed Schrader valve leak, recharged R-410A to spec.
Technician Marcus arrived within 90 minutes. System cooling within 2 hours of arrival.
Cracked Heat Exchanger
Carbon monoxide detector alarm — furnace shut down mid-January
7 units affected. Outdoor temp 28°F. Property manager had 14 families without heat on a Saturday night.
Full System Retrofit — 7 Units
Dispatched three-tech crew. Sourced compatible Carrier heat exchangers from warehouse stock. All 7 units replaced and code-inspected by 6 AM.
Complete documentation package provided for insurance and city inspection. No city citation issued.
Rooftop Unit Compressor Failure
Commercial RTU down — dining room at 91°F on busiest Saturday of summer
Owner called at 10:30 AM. Lunch service in 90 minutes. Health code requires AC for food service operations. $8,000 revenue day at risk.
Emergency Compressor Swap — 3-Ton RTU
Pulled 3-ton Copeland scroll compressor from commercial stock. Crane lift, brazed connections, full system commissioning.
Restaurant opened for lunch service. Full warranty documentation and manufacturer certification provided same day.
The people who called.
What happened next.
“Furnace quit at 2 AM. Newborn in the house, 31 degrees outside. Marcus answered on the first ring, told me exactly what it sounded like before he even arrived. He was right. Had heat by 4:30 AM. I've never been more relieved to see a work van pull up.”
“I manage 43 units across four properties. When I say I need someone who shows up, knows what they're doing, and documents everything for my records — that's ThermostatHVAC. They've handled everything from a simple capacitor swap to coordinating a full-building duct retrofit without me having to chase a single invoice.”
“My restaurant AC died at 10 AM on a Saturday. I'm talking the hottest day of the year, fully booked lunch and dinner service. They had a technician on the roof within 45 minutes. We opened for lunch. I don't know how they pulled it off but I'm not asking questions — I'm just calling them first next time.”
