What is SunRoute Florida?

An intelligent solar lead generation and management platform for Florida, featuring autonomous AI operations, A/B testing, and real-time performance analytics.

How accurate is this HVAC and insulation savings calculator?

It uses Florida-specific assumptions and your inputs to produce a directional estimate. Actual savings depend on your specific home, duct condition, insulation R-value, and HVAC equipment. A free in-home assessment gives you precise numbers.

Should I insulate before replacing my HVAC?

In most Florida homes, yes. Reducing heat gain through the attic and sealing duct leaks lowers the cooling load, which means you can often install a smaller, cheaper HVAC system — or delay replacement entirely.

How much does attic insulation cost in Florida?

Most Florida homeowners pay between $1,500 and $4,000 for an attic insulation upgrade, depending on square footage, existing insulation, and whether air sealing is included. Read our full cost guide: How Much Does Attic Insulation Cost in Florida?

Does duct sealing really save money?

Yes. Duct leakage is one of the highest-ROI efficiency fixes in Florida. Most homeowners see $200–$500 per year in savings after sealing. Full breakdown: Duct Sealing Cost and Savings in Florida

Free Savings Estimator

HVAC & Insulation Savings Calculator

Florida homes lose up to 30% of their cooling energy through leaky ducts, under-insulated attics, and aging HVAC equipment. This calculator estimates how much you could save by upgrading your insulation, sealing your ducts, or replacing your HVAC system — and how quickly those upgrades pay for themselves. Enter a few details about your home and we'll show your estimated monthly savings, annual savings, payback period, and recommended next step.

Home square footage

Home age

Current HVAC age

Attic insulation level

Average monthly electric bill ($)

ZIP code

What This Calculator Estimates

This tool models three upgrade scenarios common to Florida homes: attic insulation upgrades, duct sealing and air sealing, and HVAC replacement. Each scenario uses Florida-specific assumptions — including cooling-degree days, average attic temperatures, and local utility rates — so your estimate reflects the real conditions of a Florida home rather than a national average.

Why HVAC and Insulation Upgrades Pay Off in Florida

Florida homes run their air conditioning more than almost any other state in the country. That means every inefficiency in your building envelope — every gap around a duct, every thin patch of attic insulation — compounds across thousands of cooling hours per year. A home with poor attic insulation and leaking ducts can lose 25–30% of its conditioned air before it ever reaches a living space. Sealing and insulating first often reduces the size (and cost) of the HVAC system you need, which is why we recommend running this calculator before requesting HVAC quotes.

How to Read Your Results

Monthly savings shows your estimated bill reduction after upgrades.
Annual savings multiplies that across a full year of Florida cooling and heating.
Payback period tells you how many years of savings it takes to recover your upfront investment.
Recommended priority tells you whether insulation, HVAC, or both should come first based on your inputs.

Next Steps

If your results show insulation or duct sealing as the top priority, the next step is a free attic assessment. If HVAC replacement ranks first, request a load calculation and quotes from licensed Florida contractors. Either way, run your results through the Upgrade Priority Calculator to see how efficiency upgrades interact with solar and battery decisions.

Questions & answers

Frequently asked questions

Before You Go Solar

Fix Your Envelope First, Then Size Solar

Fix your envelope first, then size solar. Air sealing, insulation, and duct sealing reduce your cooling load — which means you can install a smaller, cheaper solar system.

Check your upgrade priority