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Foothill Air SystemsHeating and Air Conditioning

Learning center

Guidance for comfort at elevation

How heating and cooling systems behave in the Sierra foothills. What to expect from a heat pump in February, what filtration can and cannot fix in smoke season, and how to tell a repair from a replacement.

Wildfire Smoke and Indoor Air: Filtration and Fresh-Air Options Article Wildfire Smoke and Indoor Air: Filtration and Fresh-Air Options The best smoke defense combines filtration your system can actually move air through, sealed ducts, and fresh-air controls that close down when outdo… Read the article Repair or Replace? A Practical Framework for an Aging HVAC System Article Repair or Replace? A Practical Framework for an Aging HVAC System Five factors decide most repair-or-replace calls: equipment age, what failed, repair history, comfort and efficiency, and refrigerant. Here is how to… Read the article Radiant and Hydronic Heat vs. Forced Air for Mountain Homes Article Radiant and Hydronic Heat vs. Forced Air for Mountain Homes Radiant heat suits tall ceilings, big windows and quiet comfort; forced air brings cooling and whole-home filtration. Many mountain homes do best wit… Read the article Mitsubishi vs. Day & Night: How We Match Equipment to the House Article Mitsubishi vs. Day & Night: How We Match Equipment to the House We sell both lines because they answer different questions. Mitsubishi excels at zoned and ductless comfort; Day & Night at central ducted systems. T… Read the article Heat Pump vs. Furnace in the Sierra Foothills: What Elevation Changes Article Heat Pump vs. Furnace in the Sierra Foothills: What Elevation Changes A cold-climate heat pump can carry most foothill winters. A furnace or dual-fuel pairing still earns its place at the highest elevations. Here is how… Read the article Ducted vs. Ductless Mini-Split Systems for Foothill and Mountain Homes Article Ducted vs. Ductless Mini-Split Systems for Foothill and Mountain Homes Central ducted systems suit homes with sound ductwork and an open layout. Ductless and ducted mini-splits solve additions, split levels and rooms a c… Read the article Day & Night Systems Explained: Furnaces, Heat Pumps and Air Handlers Article Day & Night Systems Explained: Furnaces, Heat Pumps and Air Handlers Day & Night builds central ducted equipment. Here is what each component does, how they pair into a complete system, and what matters most when one g… Read the article Commercial HVAC in the Foothills: Rooftop Units, Maintenance, Downtime Article Commercial HVAC in the Foothills: Rooftop Units, Maintenance, Downtime Foothill rooftop units face snow, smoke, pine litter and wide temperature swings. Planned maintenance and replacement budgeting turn surprise downtim… Read the article Cold-Climate Heat Pumps at 6,000 Feet: What They Can and Can't Do Article Cold-Climate Heat Pumps at 6,000 Feet: What They Can and Can't Do Cold-climate heat pumps keep heating in real mountain cold, but capacity still falls as temperatures drop. Sizing, backup heat, defrost and snow plac… Read the article

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Tell us what the system is doing and where you are. We serve Nevada County and the Truckee/Tahoe area, residential and commercial, and we will follow up to confirm scheduling.

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(530) 212-0057
Serving
Grass Valley, CA & Truckee/Tahoe
Hours
Mon–Fri: 8AM–5PM
Sat: By Appointment
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Foothill Comfort Club

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