12 Questions

HVAC Questions to Ask

Smart homeowner questions for HVAC installs, repairs, maintenance, efficiency, and warranties.

1

What’s the right system size for my home and how did you calculate it?

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Why this works

Manual J load calculation prevents short cycling and inefficiency.

2

What SEER/HSPF ratings balance efficiency and cost here?

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Why this works

Optimizes lifetime cost in your climate.

3

What brands/models do you recommend and why?

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Why this works

Looks for parts availability and reliability data.

4

How will ductwork be inspected or modified?

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Why this works

Airflow and leakage often drive comfort more than unit choice.

5

What is included in the quote and what’s extra?

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Why this works

Avoids surprise add-ons (permits, pads, electrical).

6

What warranties and labor guarantees are offered?

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Why this works

Know coverage length and exclusions.

7

What maintenance schedule do you recommend?

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Why this works

Extends life and keeps efficiency.

8

How do you handle refrigerant recovery and compliance?

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Why this works

Environmental and legal responsibility.

9

Will a smart thermostat work with this system?

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Why this works

Confirms compatibility and wiring.

10

What indoor air quality options are sensible?

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Why this works

Filters, ERV/HRV, humidity control as needed.

11

What rebates or tax credits apply?

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Why this works

Reduces net cost with incentives.

12

What is the expected lifespan and replacement curve?

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Why this works

Plans budgets and future upgrades.

Before You Install

Expert tips and techniques for getting the most out of these questions.

Prep

Request two quotes with model numbers
Ask for Manual J and duct report
Verify permits and inspection timeline

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