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Rebates

Receive Money for Home Improvements

Fort Collins Utilities' Home Efficiency Audit is a required prerequisite. Learn more about program eligibility and steps.

Rebate applications are submitted by participating contractors on your behalf. After the forms are submitted, a rebate check will be issued directly to you in six to eight weeks.

You may also be eligible for additional financial incentives, such as zero-interest loans and federal tax incentives.

Rebate Categories

Download our detailed rebate chart (PDF 41KB) or contact Utilities for more information.

Home Efficiency Program (HEP) Rebates
Efficiency Measure Requirements and Options Rebate Amounts for
Gas-heated Homes 		Rebate Amounts for
Electric-heated Homes
Air Sealing
  • Existing condition: All houses with an ACH50 of greater than 3.0 are eligible
  • Minimum leakage reduction of 10% must be verified by final blower door test
  • Combustion safety test required
Rebate amount varies with % reduction in house shell leakage:
  • Tier 1, 25% - $200
  • Tier 2, 33% - $300
  • Tier 3, 50% - $400
Rebate amount varies with % reduction in house shell leakage:
  • Tier 1, 25% - $300
  • Tier 2, 33% - $400
  • Tier 3, 50% - $500
Conditioned Crawl Space Insulation
  • Existing condition: uninsulated or poorly installed insulation
  • Rim joist, foundation wall, and moisture/soil gas barrier must meet Installation Standards to qualify for a rebate.
  • Evidence of moisture requires active ventilation system under moisture/soil gas barrier, and barrier extended to top of foundation.
  • Rim joist: apply foam board or spray foam, R-10 minimum, air seal
  • Foundation wall — options:
    • Insulate on interior with R-13 unfaced batts or perforated vinyl faced fiberglass blanket, R-10 closed cell foam board or spray foam with ignition barrier (Thermax is exempt).
    • Insulate on exterior with foam board, R-10 minimum; down to top of footing. Protect above grade
Rim joist
  • Spray foam - $0.50/sq.ft., max $500
  • Foam board - $0.50/sq.ft., max $300


Foundation wall
  • Fiberglass (interior) - $0.30/sq.ft., max $250
  • Spray foam (interior) - $0.50/sq.ft., max $300
  • Foam board (interior or exterior) - $0.50/sq.ft., max $300
Rim joist
  • Spray foam - $0.75/sq.ft., max $750
  • Foam board - $0.75/sq.ft., max $450


Foundation wall
  • Fiberglass (interior) - $0.45/sq.ft., max $375
  • Spray foam (interior) - $0.75/sq.ft., max $450
  • Foam board (interior or exterior) - $0.75/sq.ft., max $450
Cold Crawl Space Insulation
  • Call for pre-approval
  • Water Pipes must be above full depth floor insulation
  • Mechanical ducts insulated, R-8
  • Air seal floor, fill joist cavity with insulation RESNET Grade 1
$0.30/sq.ft., max $250 $0.45/sq.ft., max $375
Basement Wall Insulation
  • Existing condition: Basement walls are uninsulated.
  • Existing moisture problems must be mitigated
  • Rim joist: closed cell foam board or spray foam, R-10 minimum; air seal foundation plate
  • Foundation wall insulation- Options:
    • On interior with R-5 foam board on foundation wall & unfaced R-13 fiberglass batts in finished frame wall; R-10 spray foam or foam board with thermal barrier
    • On exterior with foam board, R-10 minimum, 48" below- grade; protect foam above- grade
Rim joist
  • Spray foam - $0.50/sq.ft., max $500
  • Foam board - $0.50/sq.ft., max $300


Foundation wall
  • Fiberglass batt + foam board (interior) - $0.80/sq.ft., max $550
  • Spray foam or foam board (interior) - $0.50/ sq.ft., max $300
  • Foam board (exterior) - $0.50/sq.ft., max $300
Rim joist
  • Spray foam - $0.75/sq.ft., max $750
  • Foam board - $0.75/sq.ft., max $450


Foundation wall
  • Fiberglass batt + foam board (interior) - $1.00/sq.ft., max $900
  • Spray foam or foam (interior) - $0.75/sq.ft., max $450)
  • Foam board (exterior) - $0.75/sq.ft., max $450
Cantilever Floor Insulation
  • No restriction on existing condition
  • Air seal exterior and interior
$0.50/ sq.ft., max of $200 $.75/ sq.ft., max of $300
Floor Over Garage Insulation
  • Existing insulation does not fill floor cavity
  • Water pipes must be above floor insulation to avoid freezing
  • Floor joist cavities used as return air ducts must be sealed from floor cavity being insulated
$0.50/ sq.ft., max of $200 $0.75/ sq.ft., max of $300
Exterior Frame Wall Insulation
  • Existing: R-9 or less
  • Must air seal all wall assembly openings (windows, doors & electrical boxes) prior to dense packing walls
  • Completely fill all stud cavities
$0.50/sq.ft. (net wall area), max of $500 $0.75/sq.ft. (net wall area), max of $750
Masonry Exterior Wall Insulation
  • Existing: uninsulated
  • Exterior Wall: R-10 foam board covered with appropriate finish
  • Interior Wall: R-10 foam board or spray foam with thermal barrier, or R-13 blown insulation in a finished frame wall
$0.50/sq.ft. (net wall area), max of $500 $0.75/sq.ft. (net wall area), max of $750
Attic Insulation
(Flat Ceiling)
  • Existing insulation < R-30
  • Add a minimum R-25 blown insulation on top of disturbed insulation
  • Baffles at all exterior top plate soffit vent locations & insulation stops to minimize wind washing
  • Must air seal significant ceiling thermal by-passes
  • Must install missing air barriers or insulation on knee walls and skylights
  • Must repair duct problems in attic before insulating
  • All exhaust fans must terminate through roof
$0.30/sq.ft. of flat attic area, max $500 $0.50/sq.ft. of flat attic area, max $750
Attic Knee Wall Insulation
  • If already insulated, add a minimum R-11 spray foam, foam board or vinyl faced fiberglass blanket over existing insulation. Spray foam & foam board requires ignition barrier (Thermax exempt).
  • If uninsulated, add a minimum R-19 spray foam, foam board or vinyl faced fiberglass blanket. Spray foam & foam board requires ignition barrier (Thermax exempt).
Already Insulated:
$0.30/sq.ft. of knee wall area, max $500

Uninsulated:
$0.50/sq.ft. of knee wall area, max $500 		Already Insulated:
$0.50/sq.ft. of knee wall area, max $750

Uninsulated:
$0.75/sq.ft. of knee wall area, max $750
Cathedral Ceiling Insulation
  • No minimum existing insulation
  • Roof cannot be leaking, or need replacement
  • Rafter cavity must be dense-pack insulated and air sealed
$0.50/sq.ft., max of $500 $.75/sq.ft., max of $750
Window and/or Sliding Glass Door Replacement
  • Existing windows and sliding glass doors must be single pane, clear glass or metal framed
  • Exterior walls and existing window frames left in place must be insulated and air sealed
  • Windows and sliding glass doors must be ENERGY STAR® qualified for our northern climate, with a low maintenance exterior
$2.50/sq.ft., max $750 $3.75/sq.ft., max $1,000
Window Film
  • Existing windows must be unshaded E, S, or W, with clear glass
  • Professional install required
  • Films must meet ENERGY STAR qualifying guidelines
$1.50/sq.ft., max $300 $1.50/sq.ft., max $300
Replacement Air Handler Blower Motor
  • Existing motor is PSC
  • New motor must be DC
  • TESP exceeding 0.08 iwc does not qualify for the rebate.
$150 $150
Replacement Gas Furnace
  • Existing furnace is less than 83% AFUE
  • Furnaces must be sized by ACCA approved Manual J software & commissioned
  • Must be sealed combustion with intake & exhaust to outside
  • Tier 2 furnace must have multi-stage gas valve & ECM motor. TESP cannot exceed 0.08 iwc.
2 Tiers of rebates based on furnace efficiency:

Tier 1: 90% min AFUE - $300
Tier 2: 92% min AFUE - $500 		N/A
Replacement Gas Boiler
  • Call for pre-approval
  • Existing hydronic system must be evaluated by HEP Participating Hydronic Specialty Contractor
85% or greater efficiency boiler - $300 N/A
New Installation AC
  • AC system must be sized with approved method
  • Condensing and evaporator units must be matched
  • Proper installation verified with CheckMe® commissioning test
2 Tiers of efficiency rebates:

SEER14, EER 12 - $250
SEER 15, EER 12.5 - $350 		2 Tiers of efficiency rebates:

SEER14, EER 12 - $250
SEER 15, EER 12.5 - $350
Standard Replacement AC
  • AC system sized using ACCA Manual J compliant method
  • Condensing and evaporator units must be matched
  • CheckMe performance verified
2 Tiers of efficiency rebates:

SEER14, EER 12 - $250
SEER 15, EER 12.5 - $350 		2 Tiers of efficiency rebates:

SEER14, EER 12 - $250
SEER 15, EER 12.5 - $350
Early Replacement AC
  • AC system sized using ACCA Manual J compliant method
  • Existing AC must be operating
  • Face plate EER must be <8
  • Condensing and evaporator units must be matched
  • CheckMe performance verified
2 Tiers of efficiency rebates:

SEER14, EER 12 - $450
SEER 15, EER 12.5 - $550 		2 Tiers of efficiency rebates:

SEER14, EER 12 - $450
SEER 15, EER 12.5 - $550
Heat Pumps; Existing HP, or Electric Furnace
  • Call for pre-approval
  • Feasibility of improvement must be evaluated by an HEP participating HVAC contractor specializing in Heat Pumps
N/A SEER 14.5 & HSPF 9.0 - $500
Whole House Fan
  • New or replacing old whole house fan
  • Fans must have motorized, insulated dampers, which shut and seal after every use
$250 Per household $250 Per household
Evaporative Cooler
  • Call for pre-approval
  • New evaporative cooler or replacing existing AC with evaporative cooler
$500 $500
Mechanical Ventilation
  • Call for pre-approval
20% of cost up to $400 20% of cost up to $400
Replacement Gas Water Heater
  • Replacing natural draft vented water heater or electric water heater
  • Tier 1 is power vented, not sealed combustion, EF=.62 or greater
  • Tier 2 is direct vented, sealed combustion, power vented or not, EF= 0.62 or greater
  • Tier 3 is tankless or tank sealed combustion, power vented or not, EF = 0.80 or greater
Three tiers of rebates based on venting of water heater:

Tier 1, Power Vented- $100
Tier 2, Direct vent- $200
Tier 3, High Efficiency- $400 		N/A
Duct Sealing and Insulating
  • Call for pre-approval
  • Must be done by a participating HEP HVAC duct sealing specialty contractor
$200 per system N/A