Heating and air conditioning repair, installation, and maintenance from Rancho Cucamonga's trusted family HVAC team — a certified Trane Comfort Specialist.
From emergency repairs on a 105° day to a whole-home system replacement — one call covers it all.
Fast diagnosis and honest repair-or-replace guidance for all major brands — with energy-efficient Trane systems installed to spec.
Furnace and heating system service that keeps your home safe and warm — repairs, tune-ups, and full replacements.
Preventative maintenance that catches small problems before they become summer emergencies — and keeps warranties valid.
Complete HVAC replacements sized to your home — customized recommendations, transparent pricing, clean installation.
Duct sealing, repair, and system optimization so the air you pay to condition actually reaches every room.
Professional, knowledgeable technicians who walk you through what's wrong and what it takes to fix it — no jargon, no mystery.
Prompt, reliable service — including quick response when your AC quits in a heat wave or the furnace dies in January.
Installations and maintenance done carefully, with your home left the way we found it — except more comfortable.
Fair pricing and low-pressure recommendations. If a repair makes more sense than a replacement, that's what we'll tell you.
Based in Rancho Cucamonga, serving surrounding communities for over four decades.
Call for repairs, a maintenance visit, or a free replacement estimate.
(909) 319-2556 📞 Call Sims Now