Energy Star residential new construction program requirements

St. Johns, FL at a glance


Below are the heating and cooling design temperature limits for the selected state and county. These limits generally must not be exceeded in the HVAC design for a home that will be certified in this location. See the Design Temperature Limit Reference Guide for exceptions and details.

1% Cooling Limit 94°F
99% Heating Limit 34°F


2009 IECC Climate Zone 2
Below is the set of efficiency features modeled to determine the ENERGY STAR HERS Index Target for homes in Florida. While the features are not mandatory, if they are not used then other measures will be needed to achieve the target. See Program Requirements for the State of Florida Program Requirements Version 3.1 (PDF, 213 KB) for complete details.
Envelope, Windows, & Doors
Radiant Barrier? Yes
Insulation Install. Quality Grade I
Ceiling Insulation R-30
Wall Insulation R-13 cavity
Mass Wall Insulation n/a
Floor Insulation R-13
Basement Wall Insulation 0
Crawlspace Wall Insulation 0
Slab Insulation 0
Infiltration Rate 5 ACH50
Windows U-factor: 0.65 / SHGC: 0.27
Door: Opaque U-factor: 0.21 / SHGC: Any
Door: ≤ 1/2 Lite U-factor: 0.27 / SHGC: 0.30
Door: > 1/2 Lite U-factor: 0.32 / SHGC: 0.30
Heating and Cooling Equipment
Gas Furnace 80 AFUE
Oil Furnace 80 AFUE
Gas Boiler 80 AFUE
Oil Boiler 80 AFUE
Heat Pump 8.2 HSPF / 15 SEER / 12 EER
Air Conditioner 15 SEER
Water Heating Equipment
Efficiency varies by tank size. Common sizes shown below.
Gas Water Heater 40 gal: 0.61 EF; 60 gal: 0.57 EF
Electric Water Heater 40 gal: 0.93 EF; 60 gal: 0.91 EF
Oil Water Heater 40 gal: 0.53 EF; 60 gal: 0.49 EF
Solar Water Heater n/a
Thermostats & Ductwork
Thermostat Type Programmable
Location of Ducts and
Air Handlers
All within conditioned space
Duct Insulation for Ducts
In Unconditioned Space
Duct Leakage to Outside n/a
Lighting & Appliances
Refrigerators ENERGY STAR
Dishwashers ENERGY STAR
Ceiling Fans ENERGY STAR
Lighting ENERGY STAR light bulbs in 80% of Qualifying Light Fixture Locations


These requirements apply to site-built and modular single family homes, duplexes and townhomes. Low-rise multifamily projects permitted prior to July 1, 2021, may also be certified through this program if they meet the eligibility requirements defined in the program requirements, below.

For other multifamily new construction, manufactured homes, and single family homes undergoing gut rehab, click on the appropriate tab above.

Program Requirements

Program documents reflect Revision 12. Find details in the Policy Record.

Florida Program Requirements Version 3.1 (PDF, 213 KB)

National Rater Design Review Checklist (PDF, 281 KB)

National Rater Field Checklist (PDF, 532 KB)

National HVAC Design Report (PDF, 333 KB)

National HVAC Design Supplement (PDF, 358 KB)

National HVAC Commissioning Checklist (PDF, 167 KB)

National Water Management System Builder Requirements (PDF, 211 KB)


Homes in FL must be certified using the FL Program Requirements Version 3.1 (PDF, 213 KB) if permitted on or after 07/01/2012.