Keep It Running
Most furnace breakdowns start as small, catchable problems. This plain-English guide shows you what to check, what to watch for, and when to stop and call a pro — no scare tactics, no sales pitch.
- 26 pages, written by a working HVAC tech
- Read it, or listen to the 26-minute audio version
- Carbon monoxide and gas-smell safety, explained plainly
- Every check marked Green, Yellow, or Red
- Printable furnace card and service log included
Get the free book
Tell us where to send it. We'll email you a quick confirm link, and the book (PDF) and the audio version are right behind it.
We'll email you the book, plus an occasional seasonal furnace or A/C tip from 365 Heating & Cooling. No spam, we never sell your information, and you can unsubscribe anytime.
The Green / Yellow / Red system
Simple checks and upkeep any homeowner can handle, outside the cabinet.
Things worth noticing and writing down, so you can describe them accurately.
Gas, electrical, and internal work. Always a professional's job — and a gas smell means leave and call 911 and your gas company from outside.
What's inside
- How your furnace actually works
- Safety first — the chapter that matters most
- The filter
- Airflow around the house
- What a pro clean & check actually includes
- Warning signs — noises, smells, and behavior changes
- DIY or Pro? The five safe checks before you call
- The seasonal game plan
- Repair or replace — honest math
Read it — or listen to it
Both versions come in the same email. Read the 26-page book on your phone or print the worksheets for the furnace room, or listen to the full 26-minute audio version in the car. Your call.
About the author
Revell Simmons is the owner of 365 Heating & Cooling LLC in North Aurora, Illinois — an owner-operated company, so the person who wrote this book is the person who shows up at your door. Built on 15 years of hands-on HVAC experience, in business since 2021. Insured • EPA Certified.
His philosophy is on the first page: if a repair will do, he'll tell you.
Serving the Fox Valley and western suburbs
North Aurora · Batavia · St. Charles · Aurora · Downers Grove · Naperville · Lombard · Oswego · Montgomery · Wheaton · West Chicago · Woodridge · Bolingbrook · Plainfield