Conditioned Air Secrets

I · The math

One avoided visit can cover the manual

This is the change the manual is built to make: less guessing, a better sequence of checks, and better information before you spend money.

You are paying for answers you could check

The house has one room that never feels right. The system runs longer than it should. A filter gets changed, then the question remains: was that actually the problem? When the air quits, you have no order of checks and no way to tell a useful recommendation from an expensive guess.

You know what to check before the truck arrives

You can identify your system, work through a no-cool sequence, inspect the airflow restrictions you can reach, and record what the equipment is doing. You know which work is outside homeowner territory. When you do call someone, you can ask clear questions about the quote in front of you.

	Now	With the book
A system stops cooling	Call first, then learn what was missed	Run the no-cool checklist before booking a diagnostic visit
A room never feels right	Keep adjusting the thermostat	Check vents, ducts, returns, and airflow in an order
A contractor gives a quote	Decide under pressure with little context	Use the quote and second-opinion questions in the manual
Spring and fall prep	Remember a few tasks when trouble starts	Work from a printable seasonal checklist
Power bill changes	See a higher number with no clear cause	Check settings and small system factors that affect runtime

The honest gain is a written sequence for the problems that commonly turn into rushed calls and rushed decisions.

II · Inside the book

139 pages of checks before expensive decisions

The manual follows the order Glen used in the field: identify the system, check what is accessible, understand the symptoms, then decide whether the next step belongs to you or a technician. It covers filters, condensate, outdoor units, duct problems, heat pumps, thermostat settings, repair-versus-replace decisions, quotes, and safety limits.

1. Know Your System in One Afternoonpp. 3–10

2. Filters and the Airflow Liepp. 11–19

3. The No-Cool Checklist: Run This Before You Pay a Diagnostic Feepp. 20–27

4. Condensate: The Cheapest Disaster You'll Ever Preventpp. 28–36

5. Reading the Outdoor Unit Without Opening Itpp. 37–43

6. Contractor Defense: Quotes, Upsells, and Second Opinionspp. 44–52

7. Repair or Replace: The Fifteen-Year Decisionpp. 53–60

8. Heat Pumps and Winterpp. 61–69

9. Ducts, Vents, and the Rooms That Never Feel Rightpp. 70–76

10. The Bill Cutters: Settings and Small Upgrades That Show Up on the Statementpp. 77–84

11. Miracle Gadgets and Too-Good-To-Be-True: The Verdict Tablepp. 85–92

12. Know It, Don't Touch It: Gas, Volts, and Refrigerantpp. 93–139

Get the manual · $27

III · Who wrote it

Twenty-three years of seeing the same failures

Glen Moffitt spent twenty-three years on heating and cooling service calls across three counties. He ran two to four calls a day and saw the same avoidable problems in house after house: choked filters, plugged drains, bad thermostat settings, neglected ducts, and equipment condemned before anyone had checked the basics. He retired in 2019 and began recording what homeowners needed to know before the truck arrived. Glen does not sell equipment. He explains what normal looks like, what you can safely check, and what deserves a professional call.

IV · The offer

$27 once. No subscription. Yours forever.

139 pages · 12 chapters · 84 numbered methods

Find Your Airflow Problem Before Replacing Your HVAC

You are buying a field-tested reference for the moments when heating or cooling trouble makes every decision feel expensive. It gives you the order of operations, the terms to use, and the stopping points that take guesswork out of a service call.

$27 $67 Launch price — ends August 30

The price may come back the first time the no-cool checklist helps you avoid an unnecessary diagnostic visit.

What you get for $27:

Find Your Airflow Problem Before Replacing Your HVAC

A Home Systems Field Guide · No. I · MMXXVI

$27

BonusSeasonal Maintenance Checklist (Print PDF)

A two-page checklist for spring and fall system prep, the exact steps Glen ran on every tune-up call, formatted to print and hang near your furnace.

$7

BonusThermostat Programming Guide by System Type

Twelve pages covering optimal schedules for forced air, heat pump, and zoned systems, with explanations of recovery time, setback limits, and why some advice does not apply to your equipment.

$12

BonusLifetime updates

Every future revision of this book, free. When a checklist tightens or a price moves, the new edition reaches you at no charge.

$21

Everything together: $67 of material — today $27

You pay today ~~$67~~$27

Get the manual · $27

Instant download · PDF · 139 pages

Published by Handover Books · secure checkout · your statement will show Handover Books

Read the manual and use the checklists for 30 days. If it does not give you a clearer way to assess your system and prepare for a service call, request a refund within 30 days of purchase.

V · Questions

The questions homeowners ask before opening the PDF

Why is the manual $27?

It is priced as a reference you can keep near the equipment and return to when something changes. The manual includes 139 pages, 12 chapters, and 84 numbered methods, plus the included print PDFs shown with the offer.

Will this apply to my HVAC system?

It is written for residential heating and cooling systems, with sections on forced-air equipment, heat pumps, ducts, vents, filters, thermostats, condensate, and outdoor units. System type matters, and the manual tells you where the advice differs. It does not replace an on-site inspection for a fault or unsafe condition.

Can I use this if I am not handy?

Yes. Much of the manual concerns observation, identification, filter and thermostat checks, accessible drain checks, and preparing useful information for a technician. It also marks the work homeowners should not attempt around gas, high voltage, refrigerant, or sealed equipment.

What format is it delivered in?

You receive an instant PDF download. The Seasonal Maintenance Checklist is formatted for printing, and the thermostat guide is included as a PDF.

What if it does not help me?

You have 30 days to review it. If it does not give you a clearer way to check your system and prepare for a service call, request a refund within that period.

Get the manual · $27

Know what normal looks like before you pay

A furnace or air conditioner does not need your confidence. It needs the right checks in the right order. Keep the manual where you can use it before the next hot afternoon, cold morning, or contractor quote.

Get the manual · $27