TJ's Heating & Air Conditioning: Local HVAC Repair Serving Whittier 90604
10092 Mills Ave C, Whittier, CA 90604
Business Profile
TJ's Heating & Air Conditioning is a trusted, family-owned HVAC company serving Whittier, CA, and the surrounding communities. We understand the unique challenges Whittier homeowners face, such as short-cycling HVAC systems and uneven cooling in larger, multi-story homes. Our certified technicians specialize in diagnosing and fixing these common local problems. We provide precise load calculations, proper ductwork design, and expert system balancing to ensure your entire home stays comfortable and your system runs efficiently, preventing wear and tear from constant on/off cycling. From emergency repairs to planned installations, TJ's is your reliable neighbor for all your heating and cooling needs.
Provided Services
- HVAC installation or replacement
- HVAC system repair
Questions and Answers
Why does my Whittier home's AC keep turning on and off every few minutes (short cycling)?
Short cycling is a common issue in our area, often caused by an oversized unit, a dirty air filter, or low refrigerant. It strains your system and hikes up energy bills. Our technicians perform a thorough diagnostic to pinpoint the exact cause—whether it's a simple fix or a sizing issue—and provide a lasting solution to restore proper, efficient operation.
How can TJ's help fix hot and cold spots in my multi-story Whittier home?
Uneven temperatures are often due to improper airflow or an unbalanced system. We conduct a detailed assessment of your home's layout and existing ductwork. Solutions may include installing zoning systems with multiple thermostats, adding duct dampers, or recommending a variable-speed HVAC system. This tailored approach ensures consistent comfort on every floor of your home.
What should I consider when replacing my old HVAC system in a Whittier home?
For Whittier's climate and common home layouts, proper sizing is critical to avoid short cycling and uneven cooling. We perform a Manual J load calculation specific to your home's square footage, insulation, and sun exposure. This ensures we recommend a system with the correct capacity and features, like multi-stage cooling, to provide efficient, even comfort and lower your energy costs year-round.
Business Location & Hours
| Mon: | 8:30 AM - 6:30 PM |
| Tue: | 8:30 AM - 6:30 PM |
| Wed: | 8:30 AM - 6:30 PM |
| Thu: | 8:30 AM - 6:30 PM |
| Fri: | 8:30 AM - 6:30 PM |
| Sat: | Closed |
| Sun: | Closed |



















