Questions, answered straight

We're based in Vacaville and serve 40+ communities across Solano, Napa, Yolo, Sacramento, and Contra Costa counties — including Fairfield, Dixon, Davis, Napa, Vallejo, Concord, and Sacramento. Not sure if you're in range? Give us a call and we'll let you know.

We schedule most service visits within a day or two, and we keep 24-hour availability for no-heat and no-cool emergencies. Call us and we'll find the soonest slot that works for you.

Yes. We provide honest assessments and upfront, written quotes on system replacements and installations before any work begins — no hidden fees.

Yes. Rendon Heating & Air is a veteran-owned, family-run company, and we offer a discount for veterans and first responders — just mention it when you book.

We believe in transparent, upfront pricing. You'll know the cost before we start, and our rates are honest and competitive. We never decide the price after the fact.

Yes — we offer Synchrony consumer financing and California's GoGreen Financing program on qualifying projects, so you can get the comfort you need without the upfront strain. See our financing page for current options.

Qualifying high-efficiency upgrades may be eligible for TECH Clean California rebates, income-qualified HEEHRA rebates up to $8,000, and federal tax credits up to $2,000. See our current promotions and we'll help you capture every dollar you qualify for.

We recommend two professional tune-ups a year — one in spring before Vacaville's 100° stretches, and one in fall before the first cold snap. Regular maintenance keeps efficiency high, protects your warranty, and prevents surprise breakdowns.

SEER (Seasonal Energy Efficiency Ratio) measures how efficiently a cooling system runs. A higher SEER rating means lower energy bills — which matters in a valley climate where AC runs daily all summer. We'll help you choose a high-SEER system sized correctly for your home.

It depends on the system's age, repair history, and efficiency. If your unit is over 10–15 years old and needs frequent repairs, a new energy-efficient system often saves money long term. We'll give you an honest recommendation either way.

Very well. Our mild winters and hot summers are close to ideal for modern heat pumps — one system that heats and cools efficiently year-round. As a Ruud Pro Partner we size and install them to manufacturer spec, and rebates can significantly lower the cost.