The Casa Blog

A homeowner troubleshooting a noisy outdoor heat pump unit.

Hvac

How to Fix a Noisy Heat Pump A DIY Guide

Is your heat pump making a rattling, grinding, or buzzing noise? This guide will help you diagnose the sound, perform simple DIY fixes for common issues, and know when it's time to call a professional HVAC technician.

An unlit furnace pilot light and thermocouple assembly inside a furnace.

Hvac

How to Fix a Furnace Pilot Light That Is Out

Feeling the chill because your furnace isn't working? A pilot light that's gone out is a common cause. This guide will walk you through the safe, step-by-step process to identify your furnace type, relight the pilot, and troubleshoot common issues like a faulty thermocouple.

Diagram showing how attic ventilation works

Hvac

How to Fix a Hot Attic A Comprehensive DIY Guide

Is your attic feeling more like a sauna? An overheated attic can drive up your energy bills and damage your roof. Our guide walks you through fixing the problem, from clearing vents and checking your fan to improving insulation.

Interior view of a cold, under-insulated attic space

Hvac

How to Fix a Cold Attic and Lower Your Energy Bills

A cold, drafty attic could be the reason your home feels chilly and your energy bills are high. This comprehensive guide will help you diagnose the problem—from poor insulation to air leaks—and walk you through the DIY steps to create a warmer, more energy-efficient home.