Heating Replacement in Jacksonville, FL
If your furnace or heat pump is wearing out, start with a free replacement estimate. We'll inspect what you have, measure your home, run a professional load calculation and lay out multiple options, including whether to stay with the same type of system.
Repair or Replace? The Four Things We Weigh
Replacement isn't always the answer, and we'll tell you when a repair makes more sense. These are the factors we talk through with you.
- 🐾
Equipment age
A newer system with one failed part is often worth fixing. An older one with declining reliability deserves a closer look.
- 🐾
Repair cost
A repair that's reasonable for the system's condition can make sense. A large repair bill on aging equipment changes the math.
- 🐾
Refrigerant considerations
This applies to heat pumps, and to the AC that's paired with a furnace. When the refrigerant situation makes continued repair less attractive, we'll explain why.
- 🐾
Repeated breakdowns
One isolated failure is different from a pattern. Repeat service calls, or rooms that never get comfortable, are good reasons to compare options.
Same Type of System, or a Switch?
A replacement is a good moment to ask whether your current setup still fits. Some homeowners replace like-for-like; others move from a furnace and AC to a heat pump, or the other way around. We lay out the tradeoffs without pushing one. For equipment-specific details, see our furnace replacement page and heat pump installation page.
Your Free Replacement Estimate
A technician comes to your home. The estimate is free and no-pressure.
- 🐾
Inspect your existing system
Furnace, heat pump, or both halves of a split system: we look at what's there and how it's been performing.
- 🐾
Measure your home
Measurements feed the load calculation, so the recommendation fits your home.
- 🐾
Talk through the comfort issues you've noticed
Cold rooms in winter and hot ones in summer both tell us something.
- 🐾
Perform a professional load calculation
We work out how much heating and cooling your home needs rather than matching the old label.
- 🐾
Present multiple options
You'll see more than one option with upfront pricing, and you can take your time deciding.
Permits, Warranty and Financing
- 🐾
Permits
Cool Cats pulls the HVAC permit, and the permit cost is included in your quoted installation price.
- 🐾
Two-year labor warranty
Every Cool Cats HVAC installation comes with a two-year labor warranty. Manufacturer warranties are separate and vary by product.
- 🐾
Financing
Financing is available through Wells Fargo and Synchrony.
- 🐾
Scheduling
We'll go over timing at your estimate, once you know which system you're considering.
Want a Second Opinion First?
If another company has told you your system has to be replaced, we're happy to take a look. It's happened before on the cooling side: a customer who'd been told his AC system couldn't be repaired called us, we found a faulty TXV (thermostatic expansion valve), replaced the part, and his existing system was back up and running.
Frequently Asked Questions
Does Cool Cats give free heating replacement estimates?
Yes. A technician inspects your existing system, measures your home, talks through your comfort concerns, performs a professional load calculation and presents multiple options.
Who pulls the permit for a heating replacement?
We do. Cool Cats pulls the HVAC permit, and the permit cost is included in your quoted installation price.
Can I switch from a furnace to a heat pump when I replace?
It's an option we can look at. We'll review your home and current equipment and explain what a switch would involve, alongside a like-for-like option.
Is financing available for a new heating system?
Yes. Financing is available through Wells Fargo and Synchrony.

What Our Customers Say
5-star reviews from Google. Rated 4.9 from 103 reviews.
“Aaron came over to scope out a project for me. He was extremely knowledgeable, competent but most of all honest. I sincerely appreciated he did not try to sell me something I didn't need. We will without a doubt be using this company for our needs in the future.”
“Aaron made it to my house quickly and immediately got to work. Checked everything and kept me informed on what was wrong. Highly recommend.”
“Wouldn't have anybody else for a/c repairs! They are awesome and most importantly they are honest! Really appreciate them!”
Ready When You Are
Request service online or call us during office hours (Monday–Friday, 8:00 AM – 5:00 PM). We'll inspect, explain what we find, and give you options.