Senville

18000 BTU Ultra-High Efficiency Mini Split & Heat Pump | SENA/18HF

Ductless climate control in ductless mini-split format, Senville 18000 BTU Ultra-High Efficiency Mini Split & Heat Pump | SENA/18HF delivers heating and cooling without the duct runs that retrofit installations rule out. Heat-pump operation delivers both heating and cooling from the same outdoor unit, with inverter compression maintaining efficiency across the temperature swing.

$1,569.99

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✓ Ships nationwide✓ Free freight over $3,500

Overview

About this product

Ductless climate control in ductless mini-split format, Senville 18000 BTU Ultra-High Efficiency Mini Split & Heat Pump | SENA/18HF delivers heating and cooling without the duct runs that retrofit installations rule out. Heat-pump operation delivers both heating and cooling from the same outdoor unit, with inverter compression maintaining efficiency across the temperature swing. Up close, the engineering shows in the small details, the line set routing, the condensate management, the way the indoor cover hides the install rather than announcing it.

Inverter compression keeps the outdoor unit modulating rather than cycling, which translates to lower noise, lower utility bills, and longer compressor life than the older single-stage alternatives. Once installed by HVAC trade, the indoor unit absorbs the room's climate management with whisper-grade blower noise and inverter-compressor efficiency, the kind of system that runs without announcing itself.

Quality & Assurance

Sourced direct from leading manufacturers for first-quality goods.

Every order is reviewed before it ships.

Natural materials may vary slightly in shade and texture.

Carefully packaged to arrive in pristine, ready-to-use condition.

Specifications

BrandSenville

TypeMini Split Air Conditioner

Installation KitNone, 16 Ft., 25 Ft., 50 Ft.

Questions

Mini Split FAQ

Will 18000 BTU Ultra-High Efficiency Mini Split & Heat Pump | SENA/18HF work for my project?

18000 BTU Ultra-High Efficiency Mini Split & Heat Pump | SENA/18HF is mini split air conditioner from Senville. The full specs are listed in the Specifications above. If you would like a specialist to confirm it suits your room, subfloor, or use case before you order, reach out and we will review the details with you.

What size system do I need?

Sizing depends on your square footage, ceiling height, insulation, and climate. We can help estimate the BTU you need, since an oversized unit cycles too often and cools less evenly.

Single zone or multi zone?

A single-zone unit conditions one room from one outdoor unit, while a multi-zone system runs several indoor heads off one condenser. Your room layout decides which makes sense.

Does it need professional installation?

Most mini-splits need a licensed technician for the refrigerant line set and electrical, though some pre-charged kits are designed for capable DIY. Confirm the requirement before you buy.

Does it heat as well as cool, and how efficient is it?

Most mini-splits are heat pumps that both heat and cool. Look at the SEER2 and HSPF ratings in the specs to compare efficiency and expected running costs.

Good to Know

Ordering & delivery

Fast processing

Most orders are processed and on their way within 1–3 business days. You’ll receive tracking the moment your order ships.

Expert support

Talk to a specialist for sizing, pairings, or any product question. Our team is here before and after every order.

Nationwide freight

Ships nationwide with free freight on orders over $3,500. Larger orders ship by LTL freight, scheduled to your address.

Customer Reviews

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Every review is from a confirmed Citadel purchase. Ratings reflect product quality, freight handling, and support.

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The Build

Built for the spaces you live in

Premium materials, vetted for finish and durability, delivered nationwide and ready for the install that lasts.

Common Questions

Ordering & Support

Is this suitable for my application?+

Each product lists its wear layer, finish, and use ratings in the Specifications above, so you can match it to residential, commercial, or wet-area use. If you are not sure it fits your project, our specialists will review the details and confirm the right product before you order.

What is the lead time?+

Most in-stock orders are processed within 1-3 business days, then ship by ground or LTL freight depending on size and weight. Transit time varies by destination, and any made-to-order item shows its expected production window at checkout.

Do you price-match the trade?+

Yes. Builders, designers, and developers unlock trade pricing through our Developer Program. Apply once and your account receives member pricing across categories, plus dedicated support for large-volume orders.

How do I make sure the color matches?+

Screens and lighting vary, so our specialists will confirm the exact color, finish, and texture details with you before you commit. For larger orders we pull from the same dye lot where possible, and a small overage helps keep everything consistent.

What if my freight arrives damaged?+

Inspect your shipment on arrival. If anything is damaged, photograph it before unloading, note it with the LTL driver on the delivery receipt, and report it to us the same day, so we can file the carrier claim and ship free replacements.

Why Citadel

A surfaces superstore,
built for the trade

Family-run, Citadel brings 5,000+ premium surfaces from the brands you trust under one roof, at wholesale-direct pricing, with nationwide freight delivery. No membership, no markup games, just specialists who know the material.

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