Maintain HVAC Resources Page 2

Title image for blog article "How Do HEPA Filters Work?"

Learn how HEPA filters work and how they can help improve your home’s indoor air quality.

HVAC technician servicing a central heating & cooling system in a home.

HVAC stands for Heating, Ventilation, and Air Conditioning—but it’s more than just a technical term. This guide explains what an HVAC system is, how it works, the main components involved, and why regular maintenance is essential for comfort, energy efficiency, and indoor air quality.

Too much or too little humidity and your HVAC

Discover how to maintain the best humidity levels in your house with these helpful HVAC tips.

Sears Technician tuning up a central air conditioner

A warmer-than-normal winter can leave hidden wear on your HVAC system. Discover why a professional HVAC tune-up helps prepare your central air conditioner for an early, extended cooling season in 2026.

How to Clean a Furnace: Your Complete Guide

Learn how to clean a furnace with our expert tips and step-by-step guide.

How to Clean the Furnace Igniter: A Comprehensive Guide

Learn how to clean the furnace igniter and improve the efficiency of your heating system with our step-by-step guide.

Two professional technicians perform annual air conditioner maintenance, preparing the HVAC system for summer.

Prepare your air conditioner for summer with AC maintenance tips and tune-up advice to increase efficiency and save on cooling costs.

10 Reliable Methods to Unclog Your Toilet

Discover 10 expert ways to unclog your toilet, from simple plungers to surprising hacks like wire hangers and vacuums—#7 might just save your day!

A Guide on How to Clean a Boiler

Learn how to clean a boiler with our step-by-step guide on Sears Home Services.

Image of family using Sears to help manage their home.

Get your home ready for the holiday season with expert appliance maintenance from Sears Home Services.