Best HVAC Companies in Sunnyvale, California

HVAC All Seasons offers comprehensive HVAC services in the Bay Area, including AC, furnace, heat‑pump, thermostat, and indoor‑air‑quality installations. Their licensed technicians handle repairs, maintenance, and emergency calls for residential and small‑commercial properties. Clients note punctual, courteous staff and transparent pricing with a three‑month warranty and reliable service included today.

FlowMD Aesthetic Clinic blends Asian aesthetic expertise with technologies such as Thermage, Ultherapy, PicoSure, and Sciton BBL. Led by Dr. Cong Ivy Ran, it offers Asian blepharoplasty, rhinoplasty, chin augmentation, facelifts, Botox, fillers, and skin rejuvenation for all Fitzpatrick types. Patient reviews note personalized care, professional staff, and clear results.

Air Duct Cleaning Sunnyvale offers residential and commercial duct cleaning, replacement, and dryer‑vent services using modern equipment and trained technicians. They provide customized packages, pre‑service vent testing, and regular follow‑up calls. The site includes service details, a blog, FAQs, and links to Facebook and YouTube for customers seeking reliable maintenance.

Balcom Heating & Air provides comprehensive HVAC solutions, including air‑conditioning installation, repair, and routine maintenance. Their technicians handle residential and commercial systems, offer 24/7 emergency support, and perform inspections, tune‑ups, and system upgrades such as thermostats and zoning. Customers note timely service, clear estimates, and thorough follow‑up for homeowners alike.

Spark Heating & Air Conditioning offers residential heating, cooling, heat‑pump, electrical, duct‑cleaning, and plumbing services, including furnace repair, AC installation, and water‑heater replacement. The company operates 24/7, provides free online quotes, and holds a 4.9‑star rating from over 450 Google reviews praising prompt, professional technicians across locations throughout the region.

Same Day Air Conditioning and Heating’s website presents a clear menu of residential and commercial HVAC offerings, covering air‑conditioning repair, furnace maintenance, and air‑duct services. It includes a FAQ, customer reviews, and a contact page. The firm serves the San Francisco South Bay region, including Menlo Park and Sunnyvale nearby.

Calvey Heating & Air is a licensed, bonded, insured HVAC contractor serving the South Bay and Bay Area. It offers AC installation and repair, mini‑split systems, furnace and heat‑pump service, air‑quality devices, duct fabrication, inspection, cleaning, and dryer‑vent maintenance. Clients note arrivals, duct cleaning and quick furnace fixes. Diamond Certified.

Your Appliance Repair provides appliance and HVAC repair, covering refrigerators, washers, dryers, dishwashers, ovens, stoves, air conditioners, and heating systems. Customers schedule appointments online or by phone, receive upfront service fees, and benefit from a parts‑and‑labor warranty. Technicians follow safety protocols, and the company outlines clear privacy and liability policies.

Monteros Heating and Air provides residential HVAC repair, installation, and preventive maintenance, plus commercial air‑conditioning and refrigeration services. The company showcases a project gallery, a blog, and partnerships with brands such as Mitsubishi, Trane, and Carrier. Customer reviews highlight prompt, professional service and reliable system performance in the Bay Area.

Plum HVAC brings over 14 years of licensed expertise to the Bay Area, offering AC, heating, heat‑pump, mini‑split, indoor‑air‑quality and water‑heater services. Customers note competitive pricing, transparent quotes, prompt installations and thorough clean‑up. A broad service footprint, maintenance plans and rebate options round out the offering for residential and commercial.

Fuse Service provides HVAC, refrigeration, electrical, and plumbing solutions, covering installations, repairs, and maintenance. The site lists detailed service categories, including heat pumps, ductless systems, and EV charger installation. Customer feedback highlights knowledgeable staff, prompt communication, competitive quotes, and reliable workmanship across residential and commercial projects with consistent service quality.

EVS Mechanical provides residential and commercial HVAC solutions across the Bay Area, including heat‑pump, mini‑split, furnace and air‑conditioner installations, repairs, and preventive maintenance. The site offers a free estimate with a quick response promise, highlights CA licensing, insurance and bonding, and emphasizes straightforward service requests for homeowners and businesses alike.