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Questions & answers

HVAC questions, answered.

The things homeowners and businesses ask us most. Still have a question? We're happy to help — just call or send us a message.

Same-day appointments most days · Open Mon–Sun · 8:00 AM – 6:00 PM.

Alex Air & Heating Services LLC — your HVAC questions answered

Straight answers

Honest, no-jargon answers from our technicians — and upfront pricing before any work begins.

AC repair pricing depends on the part and labor involved. We always provide an upfront, written quote after diagnosis — you approve the price before we begin, with no hidden fees. Maintenance members receive 10% off all repairs and waived diagnostic fees.

Yes. We offer same-day and emergency service across the Inland Empire and LA County whenever our schedule allows. Call 626-777-4822 and we'll prioritize your dispatch.

A standard AC, furnace or system replacement is typically completed in a single day. Larger or more complex installations may take two days. We confirm the full timeline with you in advance.

We service and install all major HVAC brands and equipment types — central AC, furnaces, heat pumps, ductless mini splits, and smart thermostats including Google Nest.

For most homes, every 1–3 months depending on filter type, pets, and allergies. A clean filter protects your equipment and keeps energy bills down. Members get a 1" pleated filter replaced at each visit.

Yes — ductless mini split installation is one of our specialties. We install single and multi-zone systems for homes, additions, garages, ADUs and light commercial spaces.

Yes. We offer fast-response emergency AC and heating repair across our service area, with honest pricing even on emergency calls.

Ready when you are.

Same-day service, honest pricing, and licensed technicians who get it right the first time.

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