Furnace Blowing Cold Air? 7 Reasons + Quick Fixes
If your furnace is blowing cold air instead of warm, the issue is usually pilot light, thermostat, filter, or ignition. Here is how to fix each.
What You Need to Know
This is a comprehensive guide written by Aerosphere Electric, a Fountain Valley-based contractor with C10 + C20 licenses (CSLB #1108650). We have 40+ five-star Google reviews and serve all of Orange County 24/7.
When to Call a Professional
Some furnace blowing cold air situations can be DIY. Others require a licensed contractor to keep you safe and compliant with California codes. Here is when to call us:
- Always call for: Anything involving the electrical panel, gas lines, refrigerant, or work that requires a permit
- Maybe DIY: Thermostat resets, breaker resets, filter changes, simple troubleshooting
- Emergency 24/7: No power, no heat in winter, no AC in summer extreme heat, burning smell from vents or panel
Why Choose Aerosphere Electric
- Dual C10 + C20 Licensed - Both electrical AND HVAC under one contractor. CSLB License #1108650.
- 5.0 stars / 40+ Google reviews - Top-rated Orange County contractor.
- 24/7 Emergency Service - Available nights, weekends, holidays. Response within hours.
- Fully Licensed & Insured - $1M+ liability, current workers' comp, bonded.
- Free Estimates - Honest pricing with no obligation, no high-pressure tactics.
- Serving All of Orange County - Fountain Valley, Anaheim, Irvine, Costa Mesa, Huntington Beach, and more.
Frequently Asked Questions
We provide 24/7 emergency service across Orange County. Most calls get an on-site technician within 2 hours. Call (714) 499-6656.
Yes - we service all 34 OC cities. C10 + C20 CSLB licensed #1108650.
Yes - California C10 (Electrical) and C20 (HVAC) licenses, both #1108650. Fully bonded ($25K) and insured ($1M+ liability). Verify at cslb.ca.gov.
Related Services
- HVAC Repair
- AC Repair
- Electrical Services
- Electrical Panel Upgrade
- EV Charger Installation
- 24-Hour Emergency Service
Need Help Right Now?
Free estimates. 24/7 emergency service. 5.0-star contractor.
Call (714) 499-6656 Request Free Quote