Our HVAC Services
Air Conditioner Installation
Expert air conditioner installation for maximum comfort and energy efficiency.
Air Conditioning Repair
Fast, reliable AC repair to restore your cooling system and keep your home comfortable.
Air Conditioning Maintenance
Preventive AC maintenance to extend system life and prevent costly breakdowns.
Heating System Installation
Professional heating system installation for year-round warmth and reliability.
Heating Repair
Fast heating repair services to restore warmth to your home when you need it most.
Heating Maintenance
Scheduled heating maintenance to keep your system running safely and efficiently.
Heat Pump Installation
Energy-efficient heat pump installation for year-round heating and cooling.
Heat Pump Replacement
Professional heat pump replacement with modern, high-efficiency units.
Mini Split Installation & Repair
Ductless mini split installation and repair for flexible zone-based climate control.
Air Filter Installation & Replacement
Air filter installation and replacement to improve air quality and keep your HVAC system running efficiently.
Air Scrubber Installation & Maintenance
Air scrubber installation and maintenance to remove airborne contaminants and enhance indoor air quality throughout your home.
Why Choose Us?
Need Heating & Air Conditioning Now?
Our Heating & Air Conditioning experts are ready 24/7
Heating & Air Conditioning Services in the South Bay
Stay comfortable year-round with United HVAC, Plumbing & Electrical. As a Mitsubishi Diamond Contractor Elite, we install and service high-efficiency heating and cooling systems throughout the South Bay. We are licensed (California Contractor License #1061226), bonded, and insured with $2 million in coverage, and we have served more than 14,000 local homeowners since 2019.
What we handle
- Air conditioning repair, maintenance, and installation
- Furnace and heat-pump repair and installation
- Ductless mini-split systems
- Thermostat installation and smart controls
- Seasonal tune-ups and maintenance plans
- Indoor air quality solutions
Rebates and manufacturer partnerships
We partner with Mitsubishi Electric, Carrier, and Rheem, and we help you access local heat-pump rebates through Silicon Valley Clean Energy (SVCE), San Jose Clean Energy (SJCE), Peninsula Clean Energy (PCE), and TECH Clean California. Upfront pricing and 24/7 emergency service. Call (408) 539-6936.
Serving your neighborhood
We serve homeowners across Santa Clara and San Mateo Counties, including San Jose, Santa Clara, Sunnyvale, Cupertino, Campbell, Saratoga, Los Gatos, Milpitas, Mountain View, Palo Alto, Los Altos, Redwood City, San Mateo, and Menlo Park.
Common Questions
Repair, maintenance, and installation of furnaces, heat pumps, and central air conditioning systems.
Yes. We are a Mitsubishi Diamond Contractor Elite, and we also partner with Carrier and Rheem.
Yes. We help customers access local rebates through Silicon Valley Clean Energy (SVCE), San Jose Clean Energy (SJCE), Peninsula Clean Energy (PCE), and TECH Clean California.
Yes. We provide same-day and 24/7 emergency heating and air conditioning service. Call (408) 539-6936.