Mini Splits & Heat Pumps in St. Louis, Missouri
Shop the best ductless mini splits, heat pumps & HVAC systems for St. Louis homes. DIY installation, ships nationwide, and 7-year warranty on all systems.
Climate-Adaptable HVAC Systems for St. Louis
Flexible mini-split systems that handle temperature extremes. Perfect for areas with varying seasonal conditions.
Recommended for St. Louis Climate
- Universal Series
- DIY Multi-Zone
- Signature Series
Top Mini Splits & Heat Pumps for St. Louis
Best-selling year-round HVAC systems shipped free to St. Louis, Missouri
Condenser Wall Mounting Kit for 9k to 18k BTU MRCOOL Ductless Split System
Ships to St. Louis
24k & 36k BTU MRCOOL Ductless Split System Condenser Wall Mounting Kit
Ships to St. Louis
Advantage 5th Gen 9k BTU 230V Condenser
Ships to St. Louis
Advantage 5th Gen 9k BTU 115V Condenser
Ships to St. Louis
Advantage 5th Gen 12k BTU 230V Condenser
Ships to St. Louis
Advantage 5th Gen 12k BTU 115V Condenser
Ships to St. Louis
Why Buy Your Mini Split & Heat Pump from HVACZAR in St. Louis
Delivered to Your Door
We ship to St. Louis 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 - St. Louis, Missouri
Where can I buy a mini split or heat pump in St. Louis, Missouri?
HVACZAR delivers mini splits, heat pumps, and ductless AC systems directly to St. Louis, Missouri. We carry MrCool and other top brands. Most orders arrive within 3-7 business days.
What size mini split do I need for my St. Louis home?
The right size depends on your square footage and climate needs in St. Louis. 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 Missouri?
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 Missouri building codes for permit requirements.
How much does a mini split cost in St. Louis?
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 St. Louis, Missouri.
What is the best heat pump for year-round comfort in St. Louis?
For St. Louis's climate, a heat pump with both heating and cooling provides year-round comfort in a single system. Look for models with high SEER2 and HSPF2 ratings for maximum efficiency.
Mini split vs central air: which is better for St. Louis homes?
Mini splits are often better for St. Louis 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 St. Louis Home
Get the best prices on ductless mini splits and heat pumps, shipped to St. Louis, Missouri