Current offer comparison — October 23, 2026 snapshot
These are DealsChecked feed observations collected at 04:54 UTC, not completed checkout tests. Cards can refresh separately. The merchant confirms the final price, seller, shipping, tax and return terms.
| Use | Product | Feed price | Feed discount | Offer type | Action |
|---|---|---|---|---|---|
| Two small rooms | DELLA 18K BTU 2 Zone 7000 7000 BTU Mini Split AC, Energy Star, 22 SEER2Offer unavailable Current brand offers | $1,357.97 | 30% | Automatic discount | Offer unavailable |
| Four rooms, larger areas | DELLA 35K BTU 4 Zone Mini Split AC (9K+3x12K), 19 SEER2, Up to 2050 Sq FtShop on Amazon Details | $2,915.96 | 15% | Automatic discount | Shop on Amazon |
How to choose between the two-zone and four-zone systems
Both are current DELLA 230V multi-zone heat pumps with the same cold-weather heating limit, so the comparison isolates zone count, area, efficiency, refrigerant and installation work against price.
Before opening either offer, list the rooms that need their own head and measure the distance from each to where the outdoor unit will sit; DELLA advises a professional HVAC technician for line sets over 25 feet.
Rooms and area covered
DELLA lists the Serena Series 18000 BTU Dual Zone system with two 7K indoor units for up to 600 sq. ft. DELLA lists the Vario Series 35000 BTU Quad Zone system with four indoor air handlers, one 9K and three 12K, for up to 2050 sq. ft. DELLA does not say which room sizes suit each head, but 7K is the smaller head size and 12K the larger. The Vario's heads add up to 45,000 BTU on a system DELLA names 35000 BTU, and DELLA does not explain how capacity is shared when all four run; its site also lists a 45000 BTU Quad Zone with the same heads, so check the model name at checkout.
Efficiency, refrigerant, heating and installation
DELLA lists SEER2 22, 230 volts, R-32 refrigerant and heating down to -13°F for the Serena 18000 BTU Dual Zone system. DELLA lists SEER2 19, 230 volts, R454B refrigerant and heating down to -13°F for the Vario 35000 BTU Quad Zone system. DELLA lists a $0.00 Without Line Set option for the Serena 18000 BTU Dual Zone system, with 16, 25, 33 and 50 ft line sets at $55, $90, $140 and $240. DELLA lists a $0.00 Without Line Set option for the Vario 35000 BTU Quad Zone system and advises consulting a professional HVAC technician for line sets over 25 feet. DELLA gives its mini splits a 1-year limited warranty, with lifetime parts coverage when registered within 100 days, and says labor costs are not included.
Who should buy each system
Buy the two-zone Serena for two bedrooms, or a bedroom and an office, of up to 600 sq. ft. combined. Buy the four-zone Vario when four rooms each need conditioning, or when a larger living area needs a 12K head. Budget for line sets and installation on top of each system's price; the $1,557.99 figure is only the difference between the two systems.
Other multi-zone options we checked
DELLA also sells a three-zone system. DELLA's 27000 BTU Tri-Zone system with 9K, 9K and 18K heads is a ceiling cassette mini split rated up to 1800 sq. ft. Its recessed ceiling cassettes are a different kind of indoor unit, so we did not compare it with the Serena and Vario air handlers here. We also checked another brand. MRCOOL lists its DIY 4th Gen 2-Zone condenser at 18000 BTU cooling with SEER2 21.2 and pre-charged quick connect line sets, and says it heats down to -13°F. Pre-charged lines suit a DIY install, but that system has no current offer in our feed.
FAQ
Which selected offers are current?
1 current offer is confirmed for the selected product: $2,915.96. This is an automatic discount; no code is required.
Do these systems include line sets?
No. Both pages list a $0.00 Without Line Set option, and 16, 25, 33 and 50 ft line sets are paid add-ons.
Can these run on a 115V outlet?
No. DELLA lists 230 volts for both systems, so plan for a 230V circuit.
Does the warranty cover installation labor?
No. DELLA gives a 1-year limited warranty with lifetime parts coverage when registered within 100 days, with different lifetime parts terms for HVAC-licensed and non-licensed installs, and labor costs are not included.
Sources and method
The DELLA Serena 18000 BTU Dual Zone page , DELLA Vario 35000 BTU Quad Zone page , DELLA 27000 BTU Tri-Zone cassette page and MRCOOL DIY 4th Gen 2-Zone condenser page were checked October 23, 2026 UTC. Offer values are dated feed observations collected at 04:54 UTC. We have not tested these products ourselves; performance figures are manufacturer ratings.