How Often to Change Heat Pump Filters (and Which MERV Rating)
Quick answer Change a standard 1-inch heat pump filter every 1–3 months, and a thicker 4–5-inch media filter every 6–12 […]
Troubleshooting & Maintenance
Emergency Heat on a Heat Pump: When to Use It and What It Costs
Quick answer Emergency heat (“EM Heat” or “E-Heat”) shuts off your heat pump’s outdoor unit and heats the house using […]
Troubleshooting & Maintenance
Mitsubishi Mini Split Error Codes: Full List and Fixes
Quick answer Mitsubishi mini split error codes use a letter plus a number: P and E codes usually point to […]
Troubleshooting & Maintenance
Heat Pump Running Constantly in Winter: Normal or a Problem?
Quick answer Yes, it’s usually normal for a heat pump to run almost nonstop in cold weather — as long […]
Troubleshooting & Maintenance
Heat Pump Making Loud Noises: Banging, Buzzing and Whooshing Explained
Many heat pump noises are normal: a whoosh or hiss during defrost, a click when it starts or stops, and […]
Troubleshooting & Maintenance
Heat Pump Short Cycling: Causes, Risks and Fixes
Short cycling means your heat pump turns on and off every few minutes without finishing a full heating or cooling […]
Troubleshooting & Maintenance
Heat Pump Frozen Outside: How to Defrost It Safely
A thin layer of frost on your outdoor heat pump in winter is normal — the unit melts it off […]
Troubleshooting & Maintenance
Heat Pump Blowing Cold Air in Heat Mode: 9 Causes and Fixes
If your heat pump is blowing cold air in heat mode, the most common causes are a thermostat setting, a […]