MRCOOL DIY Select 9K BTU Condenser 115V
Component — Not a Complete System
This is the outdoor unit only. To run, you also need a matching indoor air handler and a refrigerant line set. Looking for the complete system instead? Browse complete 9,000 BTU systems.
SKU DIYS-09-HP-C-115A11-O
We price this to your job and email you a link to purchase — usually within one business day.
Customize it — compatible add-ons only
Universally compatible tools and care items — maintenance kit, coil cleaner, install tools.
MrCool DIY factory warranty — register after install to activate the full coverage tiers.
Sizing Help
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Proper sizing prevents short-cycling, high bills, and premature failure. Our sizing tool takes 60 seconds.
Description
MRCOOL DIY® Select is the newest DIY single-zone platform — R-454B refrigerant, DC inverter, and an 11.5 ft pre-charged Quick Connect® line set in the box, so it installs without a vacuum pump or refrigerant license. Energy Star certified. Indoor units available in white or black.
What's in the Box
Here's what you'll receive with your order
Outdoor Condenser Unit
Heat pump condenser with Gold Fin anti-corrosion coating
Installation Hardware
Mounting brackets and hardware kit
Owner Manual
Installation and operation guide
MRCOOL DIY Select 9K BTU Condenser 115V — Model Details
What this specific model is sized for, how it installs, how it performs, and what it costs to run.
Room & Space Coverage — 9,000 BTU
The MRCOOL DIY Select 9K BTU Condenser 115V delivers 9,000 BTU of cooling and heating capacity, sized for spaces up to 450 sq ft in standard 8-ft ceiling rooms with average insulation. At this capacity the unit targets small rooms, nurseries, tiny homes, enclosed porches, and dedicated zones that need precise temperature control without oversizing — oversized units short-cycle, which hurts humidity control and shortens compressor life.
Install Difficulty — DIY-Friendly
This DIY-series system ships with a pre-charged Quick Connect line set — no HVAC license, no vacuum pump, no refrigerant gauges. The pre-charged fittings use a hand-tightened mechanical seal that a homeowner completes in 15 minutes per connection. Typical install time from unboxing to first cool air is 4–8 hours for a single-head system.
Product Details
MRCOOL DIY® Select is the newest DIY single-zone platform — R-454B refrigerant, DC inverter, and an 11.5 ft pre-charged Quick Connect® line set in the box, so it installs without a vacuum pump or refrigerant license. Energy Star certified. Indoor units available in white or black. Model DIYS-09-HP-C-115A11-O. Specifications from the MRCOOL product catalog (2026 edition, p.5). This item is quoted to your job — request a quote and we will email you a price with a link to purchase, usually within one business day.
Frequently Asked Questions
Everything you need to know about this product
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We deliver the MRCOOL DIY Select 9K BTU Condenser 115V to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.