ENERGY STAR Residential New Construction Program Requirements
Queen Anne's, MD at a glance
County-Level Design Temperature Limits
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 an apartment that will be certified in this location. See the Design Temperature Limit Reference Guide for exceptions and details.
1% Cooling Limit94°F
99% Heating Limit17°F
Efficiency Features at a Glance
2009 IECC Climate Zone 4
Below is the set of efficiency features modeled to determine the ENERGY STAR HERS Index Target for homes in Climate Zone 4. While the features are not mandatory, if they are not used then other measures will be needed to achieve the target. See National Program Requirements Version 3.2 (PDF, 210 KB) for complete details.
Envelope, Windows, & Doors | |
---|---|
Radiant Barrier? | No |
Insulation Install. Quality | Grade I |
Ceiling Insulation | R-60 |
Wall Insulation | R-13 cavity + R-10 cont. or R-20 cavity + R-5 cont. |
Mass Wall Insulation | R-8 ext or R-13 int |
Floor Insulation | R-19 |
Basement Wall Insulation | R-10 cont. or R-13 cavity |
Crawlspace Wall Insulation | R-10 cont. or R-13 cavity |
Slab Insulation | R-10; 4 ft |
Infiltration Rate | 3 ACH50 |
Windows | U-factor: 0.30 / SHGC: 0.40 |
Door: Opaque | U-factor: 0.17 / SHGC: Any |
Door: ≤ 1/2 Lite | U-factor: 0.25 / SHGC: 0.25 |
Door: > 1/2 Lite | U-factor: 0.30 / SHGC: 0.40 |
Heating and Cooling Equipment | |
---|---|
Gas Furnace | 90 AFUE |
Gas Boiler | 90 AFUE, ENERGY STAR |
Heat Pump | 9.2 HSPF / 16 SEER |
Air Conditioner | 16 SEER |
Water Heating Equipment | |
---|---|
Efficiency varies by tank size. Common sizes shown below. | |
Gas Water Heater | Tankless water heater, 0.90 UEF |
Electric Water Heater | Electric heat pump water heater, 2.20 UEF |
Thermostats & Ductwork | |
---|---|
Thermostat Type | Programmable |
Location of Ducts and Air Handlers |
All within conditioned space |
Duct Insulation for Ducts In Unconditioned Space |
n/a |
Duct Leakage to Outside | n/a |
Lighting & Appliances | |
---|---|
Refrigerators | ENERGY STAR |
Dishwashers | ENERGY STAR |
Ceiling Fans | ENERGY STAR |
Lighting | ENERGY STAR light bulbs in 100% of Qualifying Light Fixture Locations |