Ends Tuesday May 20, 2025 7:00 am EDT. Act Now
Free Shipping On Orders Over $1500
America's Leading Discount HVAC Supplier Since 2001 ...
and now, NASCAR Racing Sponsor
Ask an Expert
866 862 8922
Hours of Operation 8am - 8pm EST
11am - 8pm EST
- SEER2 rating helps consumers compare energy efficiency when choosing a new air conditioner. Higher SEER2 ratings mean significant utility savings. The federal minimum is 14 SEER2 with ratings into the 20 SEER2 range. A 20 SEER2 uses half the energy of a 10 seer much like MPG ratings for vehicles.
MrCool 35 FT Lineset For DIY 4th Gen Indoor Units - DIY35-3858C
Model #: DIY35-3858C
Mini Split Sizing BTU Calculator
Use this Free & Easy Mini Split BTU Calculator to Select the Right Size Mini Split AC or Heat Pump for your Home.
When using a mini split sizing calculator for rooms below a conditioned space, apply an additional .7 factor to your final Btu outcome.
For example, if your Btu requirement via this calculator is 18,000 Btu's: 18,000 Btu's x .7 factor = 12,600 Btu's required. When in doubt, it is okay to go up a size or two. Unlike standard non-variable systems, The mini split inverter technology allows the system to adjust to the actual room requirements in both heating and cooling.
- SEER2 rating helps consumers compare energy efficiency when choosing a new air conditioner. Higher SEER2 ratings mean significant utility savings. The federal minimum is 14 SEER2 with ratings into the 20 SEER2 range. A 20 SEER2 uses half the energy of a 10 seer much like MPG ratings for vehicles.
Free Shipping
Over $1500
DELIVERY TIME 5-10 BUSINESS DAYS
EXCLUDING WEEKENDS AND HOLIDAYS
Professional Support Staff
GUARANTEED LOWEST PRICES
FREE
SHIPPING
OVER $1500
DELIVERY TIME
5 - 10 BUSINESS DAYS, EXCLUDING WEEKENDS AND HOLIDAYS
PROFESSIONAL
SUPPORT STAFF
ADD TO CART FOR
GUARANTEED LOWEST PRICES
0% Interest
Orders $3000+ offered at checkout
No Credit Needed
Bad credit/no credit is OK - offered at checkout
Orders over $2500 get a
7 night luxury resort stay
MrCool 35 FT Lineset For DIY 4th Gen Indoor Units - DIY35-3858C
Model Number
DIY35-3858C
Documents
MRCOOL DIY 4th Gen Heat Pump Condenser Specifications Sheet Specifications Sheet
This line set is designed for these 4th Gen indoor unit capacities:
- 24000 BTU
- 36000 BTU
MRCOOL Line Set
- Kink Resistant
- Simple to Use Screw On Quick Connect® Valves
- Available in 16', 25', 35', & 50' lengths
- Line sizes 1/4", 1/2" & 3/8", 5/8"
- Multi-Zone Condenser includes adapter for the 24000 BTU Air Handler (3/8", 5/8" Line Size)
- Leaf Proof
- No Vacuum Needed
- 100% Accurately Pre-Charged R-410A Refrigerant
- Create Longer Line Sets With the MRCOOL® DIY® Coupler
Product Documents