A living room with sunlight, a couch, table, and visible airflow from a ceiling vent, illustrating how HVAC systems can allow pollen and other allergens inside.
April 13

Pollen’s Secret Backdoor: How Your HVAC is Sneaking Allergens Inside

Main Points Allergy symptoms can feel worse when you’re inside your home, especially if your HVAC system is circulating them through the air. A dirty… View Article Read More

A hand holds a remote control in front of a wall-mounted air conditioner, with text about AC not turning on and troubleshooting fuses, capacitors, relays, and other electrical issues from Cozy Home Services.
April 1

AC Not Turning On? Electrical Issues With Fuses, Capacitors & Relays to Check

Key Points Blown fuses, failing capacitors, and faulty relays can disrupt your air conditioner’s power supply and prevent it from turning on. Checking for tripped… View Article Read More

Technician servicing an outdoor AC unit with tools; text reads "Why Annual AC Tune-Ups Matter: Key Benefits & What’s Included" and highlights AC benefits with the Cozy Home Services logo.
March 9

Why Annual AC Tune-Ups Matter: Key Benefits & What’s Included

Core Details An annual AC tune-up improves energy efficiency and can reduce your PG&E energy bills during the summer. Professional air conditioner maintenance identifies worn… View Article Read More

heat pump icing up
February 16

Heat Pump Not Defrosting? Common Signs and When to Call for Repair

Let’s Recap Homeowners need to recognize the common signs and causes of a heat pump that isn’t defrosting properly. It’s normal if your heat pump… View Article Read More

furnace ignition problems
January 12

Flame Sensor Failure: Warning Signs and When to Call for Furnace Repair

Quick Recap The flame sensor is an essential safety component in your furnace. Signs of flame sensor failure include short cycling, yellow flames, and visible… View Article Read More

furnace ignitor replacement
January 7

Ignition System Problems: When to Repair vs. Replace Your Furnace Ignitor

Summary at a Glance Knowing when to repair or replace your furnace ignitor is important to prevent a gas leak and prolong the lifespan of… View Article Read More

Promotional graphic for Cozy Home Services with a furnace, asking "What size furnace do I need?" and highlighting, "Signs your current furnace system is the wrong size.
December 10

What Size Furnace Do I Need? Signs Your Current System Is the Wrong Size

The Bottom Line Improperly sized furnaces can reduce the efficacy and comfort of your home. Furnaces that are too small run constantly, while units that… View Article Read More

fall heating system maintenance
October 22

Essential Heating Tune-Up Checklist Before Winter Hits

What to Know Heating maintenance before winter ensures your system is ready to run safely, efficiently, and reliably. Maintenance tasks include thermostat checks, air filter… View Article Read More

best air filter for home HVAC
October 21

Electrostatic vs Disposable Air Filters [Comparing Effectiveness]

Quick Summary Electrostatic air filters use static electricity to trap particles. They can be washed and reused. Disposable HEPA and pleated filters generally capture smaller… View Article Read More

what is a booster fan
September 30

Do Duct Booster Fans Work?

If your HVAC system doesn’t blow enough heated or cooled air in certain parts of your home, you might want to consider installing a duct… View Article Read More