Best Heat Pump Replacement Companies in Mount Pleasant, SC
Heat Pump Replacement in Mount Pleasant: sizing + authorization
A replacement or conversion is bid on Manual J load calculation, manufacturer authorization, and matched-system commissioning — oversizing is the #1 cause of comfort complaints. Here is what each of the 8 contractors below publishes: Verify your state's HVAC contractor license through the state licensing board before paying a deposit.
Top picks
Consistently strong customer feedback (4.9★ from 6,975+ Google reviews; 3.4★ from 45+ Yelp reviews).
Google 4.9★ (6,975+)Yelp 3.4★ (45+)
Consistently strong customer feedback (4.9★ from 1,275+ Google reviews).
Google 4.9★ (1,275+)
Consistently strong customer feedback (4.9★ from 2,135+ Google reviews; 4.1★ from 50+ Yelp reviews).
Google 4.9★ (2,135+)Yelp 4.1★ (50+)
Consistently strong customer feedback (4.9★ from 1,050+ Google reviews; 4.3★ from 25+ Yelp reviews).
Google 4.9★ (1,050+)Yelp 4.3★ (25+)
Consistently strong customer feedback (4.9★ from 2,390+ Google reviews).
Google 4.9★ (2,390+)
Consistently strong customer feedback (4.9★ from 275+ Google reviews).
Google 4.9★ (275+)
Consistently strong customer feedback (4.8★ from 3,050+ Google reviews; 2.4★ from 70+ Yelp reviews).
Google 4.8★ (3,050+)Yelp 2.4★ (70+)
Consistently strong customer feedback (5.0★ from 255+ Google reviews; 3.4★ from 7 Yelp reviews).
Google 5.0★ (255+)Yelp 3.4★ (7)
Typical Heat Pump Replacement costs in Mount Pleasant, SC (2026)
Last updated
Estimated ranges for Mount Pleasant, SC. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| Ducted air-source heat pump + air handler, full system (installed) | $6,950–$13,900 |
| Air handler replacement (paired with heat pump) | $1,300–$3,050 |
| Ductwork modification (resize / re-balance per Manual D) | $520–$1,900 |
Why Mount Pleasant, South Carolina Homeowners Need a Proper Heat Pump Installation
Mount Pleasant’s hot, humid summers and coastal salt air increase cooling loads and corrosion risk, so a correct heat pump installation matters for efficiency and longevity. Homeowners searching for the best heat pump installation companies in Mount Pleasant, SC should prioritize licensed contractors, correct system sizing, and corrosion-resistant materials.
How long should a Heat Pump Installation take in Mount Pleasant, and what affects the timeline?
- Can I replace my gas furnace with a heat pump?
- Yes — a heat pump both heats and cools, so it can fully replace a gas furnace. In colder areas a dual-fuel setup keeps the furnace as backup for the coldest days. Either way, insist on a Manual J load calculation; conversions can need duct resizing or an electrical upgrade.
- When is replacing an old heat pump better than repairing it?
- If it's past 12–15 years, still uses phased-out R-410A refrigerant, needs a compressor, or the repair bill approaches a third of replacement cost, replacing usually wins. A reputable contractor compares both paths before recommending.
- What factors most affect pricing for a heat pump installation in Mount Pleasant?
- Several factors influence pricing, including system size, equipment efficiency, ductwork condition, and access to the installation site. Coastal corrosion mitigation, like protective coil coatings or upgraded fasteners, can raise initial costs. Permit complexity and peak-season demand also lengthen schedules. Discuss these variables with contractors so estimates reflect Mount Pleasant’s humid, coastal conditions.
- How do I get a quote from these heat pump installation companies?
- Submit one request on this page and we send it to the vetted heat pump installation pros in Mount Pleasant, SC listed here. They send quotes back — no obligation.