Results 1 to 1 of 1
  1. #1
    Join Date
    Nov 2004
    Location
    SW FL
    Posts
    5,987

    Question Heat Pump Operating Co$t Estimate for Replacement/ Southeast U.S.2000 S.F. Residence

    What is a reasonable operating cost savings expectation when replacing a "old" heat pump?
    ______________________________ "old" might be about 15 years

    HEAT PUMP REPLACEMENT ___ SOUTHEAST U.S. ___
    Typical Cooling Degree Days 1,500 and Heating Degree Days 2,900

    1,700 to 2,200 Square Feet ____ $0.12 per KiloWatt-Hour
    Operating Cost Comparison __ based on 3 Tons and 30,000 BTU/Hr

    ___________ BALL_PARK COST ______ ......... ___
    ________ 14 SEER versus 10 SEER
    Cooling - Standard Yearly Operating Cost: ___ $645
    Cooling - High Efficiency Yearly Operating Cost: $461
    ____________________ ____ Yearly Savings:_ $184 .. ~29%

    _________ 8.8 HSPF versus 7.7 ______ ........ ____
    Heating - Standard Yearly Operating Cost: __ $812
    Heating - High Efficiency Yearly Operating Cost:$710
    __________________________ Yearly Savings:$102 ... ~12%

    The Cooling Degree Days (CDD) and Heating Degree Days (HDD) average values
    are conveniently provided in the noted program based on the selected city.

    _ K.I.S.S. ... Keep It Simple and Sincere _
    _____________________
    _____ One might expect __ $286 __ Annual operating cost savings
    ____________ for an area with $0.12 /kW rate.

    __ $3,400 savings in 10 years ( 4% electric rate escalation) is notable.

    - Impact of Defrost cycles are not addressed. -

    You can perform this Quick, simplified evaluation given your situation
    at HVACOPCOST dot com

    Example attached
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event