Mini Splits & Heat Pumps in Merrimack, New Hampshire
Shop the best ductless mini splits, heat pumps & HVAC systems for Merrimack homes. DIY installation, ships nationwide, and 7-year warranty on all systems.
Hyper Heat Pumps for Cold Climates for Merrimack
Cold climate heat pumps that work efficiently down to -22°F. Perfect for extreme winters with 100% heating capacity at 5°F.
Recommended for Merrimack Climate
- Hyper Heat Series
- Cold Climate Models
- Dual Fuel Systems
Top Mini Splits & Heat Pumps for Merrimack
Best-selling cold-climate HVAC systems shipped free to Merrimack, New Hampshire

Advantage 5th Gen 9k BTU 230V Condenser
Ships to Merrimack

Advantage 5th Gen 9k BTU 115V Condenser
Ships to Merrimack

Advantage 5th Gen 12k BTU 230V Condenser
Ships to Merrimack

Advantage 5th Gen 12k BTU 115V Condenser
Ships to Merrimack

50' R-454B No-Vac Lineset
Ships to Merrimack

Advantage 5th Gen 18k BTU 230V Condenser
Ships to Merrimack
Why Buy Your Mini Split & Heat Pump from HVACZAR in Merrimack
Delivered to Your Door
We ship to Merrimack and surrounding areas, with the exact freight shown at checkout. Most orders arrive in 3-7 days.
7-Year Warranty
All MrCool systems include comprehensive 7-year parts and compressor warranty.
Expert Support
Get fast answers and product recommendations from our team, with Rachel ready to step in for complex questions.
Frequently Asked Questions - Merrimack, New Hampshire
Where can I buy a mini split or heat pump in Merrimack, New Hampshire?
HVACZAR delivers mini splits, heat pumps, and ductless AC systems directly to Merrimack, New Hampshire. We carry MrCool and other top brands. Most orders arrive within 3-7 business days.
What size mini split do I need for my Merrimack home?
The right size depends on your square footage and heating needs in Merrimack. Generally, you need 20-25 BTU per square foot: 9,000 BTU for a small room (300-400 sq ft), 12,000 BTU for a bedroom (400-550 sq ft), 18,000 BTU for a living room (550-800 sq ft), or 24,000+ BTU for open floor plans. Use our sizing tool for a precise recommendation.
Can I install a ductless mini split myself in New Hampshire?
Yes! DIY mini split systems like the MrCool DIY series come with pre-charged line sets and require no HVAC license, vacuum pump, or special tools. Most homeowners complete installation in 4-8 hours. Always check local New Hampshire building codes for permit requirements.
How much does a mini split cost in Merrimack?
Mini split prices range from $700 for a single-zone 9,000 BTU unit to $4,000+ for multi-zone whole-house systems. DIY installation saves $1,500-$3,000 in labor costs. All our systems include a 7-year warranty and ship to Merrimack, New Hampshire.
What is the best heat pump for cold winters in Merrimack?
For Merrimack's cold winters, we recommend hyper heat mini splits that operate efficiently down to -22°F. These systems provide 100% heating capacity at 5°F and significant savings over gas furnaces.
Mini split vs central air: which is better for Merrimack homes?
Mini splits are often better for Merrimack homes because they're more energy efficient (up to 40% savings), require no ductwork, allow zone control, and can be DIY installed. They're ideal for homes without existing ducts, room additions, garages, and supplementing central air in problem rooms.
Buy a Mini Split or Heat Pump for Your Merrimack Home
Get the best prices on ductless mini splits and heat pumps, shipped to Merrimack, New Hampshire